author  kuncar 
Thu, 22 Aug 2013 17:19:44 +0200  
changeset 53144  74b879546c33 
parent 53131  701360318565 
child 53145  2fb458aceb78 
permissions  rwrr 
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(* Title: HOL/Tools/transfer.ML 
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Author: Brian Huffman, TU Muenchen 

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Author: Ondrej Kuncar, TU Muenchen 
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Generic theorem transfer method. 

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*) 

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signature TRANSFER = 

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sig 

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val bottom_rewr_conv: thm list > conv 
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val top_rewr_conv: thm list > conv 
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val prep_conv: conv 
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val get_transfer_raw: Proof.context > thm list 
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val get_relator_eq: Proof.context > thm list 
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val get_sym_relator_eq: Proof.context > thm list 
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val get_relator_eq_raw: Proof.context > thm list 
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val get_relator_domain: Proof.context > thm list 
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val get_compound_lhs: Proof.context > term Net.net 
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val get_compound_rhs: Proof.context > term Net.net 

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val transfer_add: attribute 
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val transfer_del: attribute 

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val transferred_attribute: thm list > attribute 
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val untransferred_attribute: thm list > attribute 
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val transfer_domain_add: attribute 
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val transfer_domain_del: attribute 
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val transfer_rule_of_term: Proof.context > bool > term > thm 
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val transfer_rule_of_lhs: Proof.context > term > thm 
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val transfer_tac: bool > Proof.context > int > tactic 
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val transfer_prover_tac: Proof.context > int > tactic 
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val gen_frees_tac: (string * typ) list > Proof.context > int > tactic 
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val setup: theory > theory 
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end 

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structure Transfer : TRANSFER = 

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struct 

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(** Theory Data **) 
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structure Data = Generic_Data 
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( 
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type T = 
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{ transfer_raw : thm Item_Net.T, 
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known_frees : (string * typ) list, 
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compound_lhs : term Net.net, 
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compound_rhs : term Net.net, 
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relator_eq : thm Item_Net.T, 
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relator_eq_raw : thm Item_Net.T, 
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relator_domain : thm Item_Net.T } 
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val empty = 
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{ transfer_raw = Thm.intro_rules, 
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known_frees = [], 
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compound_lhs = Net.empty, 
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compound_rhs = Net.empty, 
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relator_eq = Thm.full_rules, 
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relator_eq_raw = Thm.full_rules, 
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relator_domain = Thm.full_rules } 
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val extend = I 
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fun merge 
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( { transfer_raw = t1, known_frees = k1, 
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compound_lhs = l1, 
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compound_rhs = c1, relator_eq = r1, 
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relator_eq_raw = rw1, relator_domain = rd1 }, 
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{ transfer_raw = t2, known_frees = k2, 
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compound_lhs = l2, 
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compound_rhs = c2, relator_eq = r2, 
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relator_eq_raw = rw2, relator_domain = rd2 } ) = 
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{ transfer_raw = Item_Net.merge (t1, t2), 
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known_frees = Library.merge (op =) (k1, k2), 
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compound_lhs = Net.merge (K true) (l1, l2), 
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compound_rhs = Net.merge (K true) (c1, c2), 
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relator_eq = Item_Net.merge (r1, r2), 
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relator_eq_raw = Item_Net.merge (rw1, rw2), 
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relator_domain = Item_Net.merge (rd1, rd2) } 
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) 
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fun get_transfer_raw ctxt = ctxt 
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> (Item_Net.content o #transfer_raw o Data.get o Context.Proof) 
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fun get_known_frees ctxt = ctxt 
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> (#known_frees o Data.get o Context.Proof) 
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fun get_compound_lhs ctxt = ctxt 
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> (#compound_lhs o Data.get o Context.Proof) 
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fun get_compound_rhs ctxt = ctxt 
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> (#compound_rhs o Data.get o Context.Proof) 
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fun get_relator_eq ctxt = ctxt 
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> (Item_Net.content o #relator_eq o Data.get o Context.Proof) 
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> map safe_mk_meta_eq 
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fun get_sym_relator_eq ctxt = ctxt 
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> (Item_Net.content o #relator_eq o Data.get o Context.Proof) 
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> map (Thm.symmetric o safe_mk_meta_eq) 
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fun get_relator_eq_raw ctxt = ctxt 
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> (Item_Net.content o #relator_eq_raw o Data.get o Context.Proof) 
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fun get_relator_domain ctxt = ctxt 
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> (Item_Net.content o #relator_domain o Data.get o Context.Proof) 
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fun map_data f1 f2 f3 f4 f5 f6 f7 
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{ transfer_raw, known_frees, compound_lhs, compound_rhs, 
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relator_eq, relator_eq_raw, relator_domain } = 
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{ transfer_raw = f1 transfer_raw, 
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known_frees = f2 known_frees, 
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compound_lhs = f3 compound_lhs, 
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compound_rhs = f4 compound_rhs, 
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relator_eq = f5 relator_eq, 
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relator_eq_raw = f6 relator_eq_raw, 
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relator_domain = f7 relator_domain } 
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fun map_transfer_raw f = map_data f I I I I I I 
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fun map_known_frees f = map_data I f I I I I I 
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fun map_compound_lhs f = map_data I I f I I I I 
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fun map_compound_rhs f = map_data I I I f I I I 
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fun map_relator_eq f = map_data I I I I f I I 
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fun map_relator_eq_raw f = map_data I I I I I f I 
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fun map_relator_domain f = map_data I I I I I I f 
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fun add_transfer_thm thm = Data.map 
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(map_transfer_raw (Item_Net.update thm) o 
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map_compound_lhs 
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(case HOLogic.dest_Trueprop (Thm.concl_of thm) of 
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Const (@{const_name Rel}, _) $ _ $ (lhs as (_ $ _)) $ _ => 
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Net.insert_term_safe (K true) (lhs, lhs) 
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 _ => I) o 
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map_compound_rhs 
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(case HOLogic.dest_Trueprop (Thm.concl_of thm) of 
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Const (@{const_name Rel}, _) $ _ $ _ $ (rhs as (_ $ _)) => 
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Net.insert_term_safe (K true) (rhs, rhs) 
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 _ => I) o 
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map_known_frees (Term.add_frees (Thm.concl_of thm))) 
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fun del_transfer_thm thm = Data.map (map_transfer_raw (Item_Net.remove thm)) 
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47325  138 
(** Conversions **) 
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fun bottom_rewr_conv rewrs = Conv.bottom_conv (K (Conv.try_conv (Conv.rewrs_conv rewrs))) @{context} 
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fun top_rewr_conv rewrs = Conv.top_conv (K (Conv.try_conv (Conv.rewrs_conv rewrs))) @{context} 
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fun transfer_rel_conv conv = 
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Conv.concl_conv ~1 (HOLogic.Trueprop_conv (Conv.fun2_conv (Conv.arg_conv conv))) 
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47325  146 
val Rel_rule = Thm.symmetric @{thm Rel_def} 
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fun dest_funcT cT = 

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(case Thm.dest_ctyp cT of [T, U] => (T, U) 

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 _ => raise TYPE ("dest_funcT", [Thm.typ_of cT], [])) 

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fun Rel_conv ct = 

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let val (cT, cT') = dest_funcT (Thm.ctyp_of_term ct) 

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val (cU, _) = dest_funcT cT' 

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in Drule.instantiate' [SOME cT, SOME cU] [SOME ct] Rel_rule end 

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(* Conversion to preprocess a transfer rule *) 
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fun safe_Rel_conv ct = 
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Conv.try_conv (HOLogic.Trueprop_conv (Conv.fun_conv (Conv.fun_conv Rel_conv))) ct 
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fun prep_conv ct = ( 
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Conv.implies_conv safe_Rel_conv prep_conv 
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else_conv 
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safe_Rel_conv 
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else_conv 
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Conv.all_conv) ct 

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(** Replacing explicit equalities with is_equality premises **) 
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fun mk_is_equality t = 
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Const (@{const_name is_equality}, Term.fastype_of t > HOLogic.boolT) $ t 
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val is_equality_lemma = 
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@{lemma "(!!R. is_equality R ==> PROP (P R)) == PROP (P (op =))" 
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by (unfold is_equality_def, rule, drule meta_spec, 
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erule meta_mp, rule refl, simp)} 
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fun gen_abstract_equalities (dest : term > term * (term > term)) thm = 
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let 
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val thy = Thm.theory_of_thm thm 
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val prop = Thm.prop_of thm 
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val (t, mk_prop') = dest prop 
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(* Only consider "op =" at nonbase types *) 
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fun is_eq (Const (@{const_name HOL.eq}, Type ("fun", [T, _]))) = 
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(case T of Type (_, []) => false  _ => true) 
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 is_eq _ = false 
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val add_eqs = Term.fold_aterms (fn t => if is_eq t then insert (op =) t else I) 
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val eq_consts = rev (add_eqs t []) 
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val eqTs = map (snd o dest_Const) eq_consts 
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val used = Term.add_free_names prop [] 
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val names = map (K "") eqTs > Name.variant_list used 
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val frees = map Free (names ~~ eqTs) 
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val prems = map (HOLogic.mk_Trueprop o mk_is_equality) frees 
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val prop1 = mk_prop' (Term.subst_atomic (eq_consts ~~ frees) t) 
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val prop2 = fold Logic.all frees (Logic.list_implies (prems, prop1)) 
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val cprop = Thm.cterm_of thy prop2 
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val equal_thm = Raw_Simplifier.rewrite false [is_equality_lemma] cprop 
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fun forall_elim thm = Thm.forall_elim_vars (Thm.maxidx_of thm + 1) thm 
47325  199 
in 
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forall_elim (thm COMP (equal_thm COMP @{thm equal_elim_rule2})) 
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end 
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handle TERM _ => thm 
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fun abstract_equalities_transfer ctxt thm = 
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let 
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fun dest prop = 
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let 
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val prems = Logic.strip_imp_prems prop 
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val concl = HOLogic.dest_Trueprop (Logic.strip_imp_concl prop) 
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val ((rel, x), y) = apfst Term.dest_comb (Term.dest_comb concl) 
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in 
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(rel, fn rel' => 
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Logic.list_implies (prems, HOLogic.mk_Trueprop (rel' $ x $ y))) 
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end 
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val contracted_eq_thm = 
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Conv.fconv_rule (transfer_rel_conv (bottom_rewr_conv (get_relator_eq ctxt))) thm 
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handle CTERM _ => thm 
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in 
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gen_abstract_equalities dest contracted_eq_thm 
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end 
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221 

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fun abstract_equalities_relator_eq rel_eq_thm = 
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gen_abstract_equalities (fn x => (x, I)) 
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(rel_eq_thm RS @{thm is_equality_def [THEN iffD2]}) 
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fun abstract_equalities_domain ctxt thm = 
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let 
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fun dest prop = 
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let 
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val prems = Logic.strip_imp_prems prop 
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val concl = HOLogic.dest_Trueprop (Logic.strip_imp_concl prop) 
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val ((eq, dom), y) = apfst Term.dest_comb (Term.dest_comb concl) 
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in 
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(dom, fn dom' => Logic.list_implies (prems, HOLogic.mk_Trueprop (eq $ dom' $ y))) 
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end 
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fun transfer_rel_conv conv = 
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Conv.concl_conv ~1 (HOLogic.Trueprop_conv (Conv.arg1_conv (Conv.arg_conv conv))) 
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val contracted_eq_thm = 
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Conv.fconv_rule (transfer_rel_conv (bottom_rewr_conv (get_relator_eq ctxt))) thm 
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in 
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gen_abstract_equalities dest contracted_eq_thm 
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end 
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243 

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(** Replacing explicit Domainp predicates with Domainp assumptions **) 
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fun mk_Domainp_assm (T, R) = 
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HOLogic.mk_eq ((Const (@{const_name Domainp}, Term.fastype_of T > Term.fastype_of R) $ T), R) 
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val Domainp_lemma = 
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@{lemma "(!!R. Domainp T = R ==> PROP (P R)) == PROP (P (Domainp T))" 
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by (rule, drule meta_spec, 
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erule meta_mp, rule refl, simp)} 
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254 

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fun fold_Domainp f (t as Const (@{const_name Domainp},_) $ (Var (_,_))) = f t 
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 fold_Domainp f (t $ u) = fold_Domainp f t #> fold_Domainp f u 
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 fold_Domainp f (Abs (_, _, t)) = fold_Domainp f t 
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 fold_Domainp _ _ = I 
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fun subst_terms tab t = 
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let 
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val t' = Termtab.lookup tab t 
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in 
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case t' of 
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SOME t' => t' 
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 NONE => 
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(case t of 
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u $ v => (subst_terms tab u) $ (subst_terms tab v) 
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 Abs (a, T, t) => Abs (a, T, subst_terms tab t) 
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 t => t) 
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end 
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fun gen_abstract_domains (dest : term > term * (term > term)) thm = 
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let 
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val thy = Thm.theory_of_thm thm 
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val prop = Thm.prop_of thm 
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val (t, mk_prop') = dest prop 
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val Domainp_tms = rev (fold_Domainp (fn t => insert op= t) t []) 
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val Domainp_Ts = map (snd o dest_funT o snd o dest_Const o fst o dest_comb) Domainp_tms 
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val used = Term.add_free_names t [] 
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val rels = map (snd o dest_comb) Domainp_tms 
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val rel_names = map (fst o fst o dest_Var) rels 
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val names = map (fn name => ("D" ^ name)) rel_names > Name.variant_list used 
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val frees = map Free (names ~~ Domainp_Ts) 
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val prems = map (HOLogic.mk_Trueprop o mk_Domainp_assm) (rels ~~ frees); 
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val t' = subst_terms (fold Termtab.update (Domainp_tms ~~ frees) Termtab.empty) t 
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287 
val prop1 = fold Logic.all frees (Logic.list_implies (prems, mk_prop' t')) 
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val prop2 = Logic.list_rename_params (rev names) prop1 
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val cprop = Thm.cterm_of thy prop2 
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val equal_thm = Raw_Simplifier.rewrite false [Domainp_lemma] cprop 
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fun forall_elim thm = Thm.forall_elim_vars (Thm.maxidx_of thm + 1) thm; 
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in 
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forall_elim (thm COMP (equal_thm COMP @{thm equal_elim_rule2})) 
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294 
end 
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295 
handle TERM _ => thm 
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296 

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fun abstract_domains_transfer thm = 
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298 
let 
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fun dest prop = 
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300 
let 
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val prems = Logic.strip_imp_prems prop 
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val concl = HOLogic.dest_Trueprop (Logic.strip_imp_concl prop) 
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val ((rel, x), y) = apfst Term.dest_comb (Term.dest_comb concl) 
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in 
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(x, fn x' => 
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306 
Logic.list_implies (prems, HOLogic.mk_Trueprop (rel $ x' $ y))) 
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307 
end 
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308 
in 
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309 
gen_abstract_domains dest thm 
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310 
end 
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311 

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fun detect_transfer_rules thm = 
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let 
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fun is_transfer_rule tm = case (HOLogic.dest_Trueprop tm) of 
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(Const (@{const_name HOL.eq}, _)) $ ((Const (@{const_name Domainp}, _)) $ _) $ _ => false 
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 _ $ _ $ _ => true 
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 _ => false 
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fun safe_transfer_rule_conv ctm = 
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if is_transfer_rule (term_of ctm) then safe_Rel_conv ctm else Conv.all_conv ctm 
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320 
in 
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321 
Conv.fconv_rule (Conv.prems_conv ~1 safe_transfer_rule_conv) thm 
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322 
end 
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323 

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324 
(** Adding transfer domain rules **) 
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325 

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fun add_transfer_domain_thm thm ctxt = 
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(add_transfer_thm o abstract_equalities_domain (Context.proof_of ctxt) o detect_transfer_rules) thm ctxt 
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328 

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fun del_transfer_domain_thm thm ctxt = 
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(del_transfer_thm o abstract_equalities_domain (Context.proof_of ctxt) o detect_transfer_rules) thm ctxt 
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331 

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(** Transfer proof method **) 
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val post_simps = 
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@{thms transfer_forall_eq [symmetric] 
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transfer_implies_eq [symmetric] transfer_bforall_unfold} 
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337 

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fun gen_frees_tac keepers ctxt = SUBGOAL (fn (t, i) => 
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let 
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val keepers = keepers @ get_known_frees ctxt 
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val vs = rev (Term.add_frees t []) 
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val vs' = filter_out (member (op =) keepers) vs 
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343 
in 
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344 
Induct.arbitrary_tac ctxt 0 vs' i 
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345 
end) 
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346 

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fun mk_relT (T, U) = T > U > HOLogic.boolT 
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348 

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fun mk_Rel t = 
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let val T = fastype_of t 
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in Const (@{const_name Transfer.Rel}, T > T) $ t end 
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352 

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fun transfer_rule_of_terms (prj : typ * typ > typ) ctxt tab t u = 
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354 
let 
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val thy = Proof_Context.theory_of ctxt 
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(* precondition: prj(T,U) must consist of only TFrees and type "fun" *) 
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fun rel (T as Type ("fun", [T1, T2])) (U as Type ("fun", [U1, U2])) = 
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let 
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val r1 = rel T1 U1 
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val r2 = rel T2 U2 
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val rT = fastype_of r1 > fastype_of r2 > mk_relT (T, U) 
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362 
in 
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Const (@{const_name fun_rel}, rT) $ r1 $ r2 
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364 
end 
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365 
 rel T U = 
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366 
let 
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val (a, _) = dest_TFree (prj (T, U)) 
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368 
in 
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369 
Free (the (AList.lookup (op =) tab a), mk_relT (T, U)) 
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370 
end 
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fun zip _ thms (Bound i) (Bound _) = (nth thms i, []) 
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 zip ctxt thms (Abs (x, T, t)) (Abs (y, U, u)) = 
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373 
let 
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val ([x', y'], ctxt') = Variable.variant_fixes [x, y] ctxt 
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val prop = mk_Rel (rel T U) $ Free (x', T) $ Free (y', U) 
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val cprop = Thm.cterm_of thy (HOLogic.mk_Trueprop prop) 
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377 
val thm0 = Thm.assume cprop 
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val (thm1, hyps) = zip ctxt' (thm0 :: thms) t u 
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379 
val ((r1, x), y) = apfst Thm.dest_comb (Thm.dest_comb (Thm.dest_arg cprop)) 
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380 
val r2 = Thm.dest_fun2 (Thm.dest_arg (cprop_of thm1)) 
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val (a1, (b1, _)) = apsnd dest_funcT (dest_funcT (ctyp_of_term r1)) 
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val (a2, (b2, _)) = apsnd dest_funcT (dest_funcT (ctyp_of_term r2)) 
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383 
val tinsts = [SOME a1, SOME b1, SOME a2, SOME b2] 
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384 
val insts = [SOME (Thm.dest_arg r1), SOME (Thm.dest_arg r2)] 
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385 
val rule = Drule.instantiate' tinsts insts @{thm Rel_abs} 
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386 
val thm2 = Thm.forall_intr x (Thm.forall_intr y (Thm.implies_intr cprop thm1)) 
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387 
in 
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388 
(thm2 COMP rule, hyps) 
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389 
end 
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390 
 zip ctxt thms (f $ t) (g $ u) = 
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391 
let 
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val (thm1, hyps1) = zip ctxt thms f g 
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393 
val (thm2, hyps2) = zip ctxt thms t u 
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394 
in 
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395 
(thm2 RS (thm1 RS @{thm Rel_app}), hyps1 @ hyps2) 
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

396 
end 
52354
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

397 
 zip _ _ t u = 
47789
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

398 
let 
52354
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

399 
val T = fastype_of t 
47789
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

400 
val U = fastype_of u 
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

401 
val prop = mk_Rel (rel T U) $ t $ u 
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

402 
val cprop = Thm.cterm_of thy (HOLogic.mk_Trueprop prop) 
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

403 
in 
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

404 
(Thm.assume cprop, [cprop]) 
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

405 
end 
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

406 
val r = mk_Rel (rel (fastype_of t) (fastype_of u)) 
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

407 
val goal = HOLogic.mk_Trueprop (r $ t $ u) 
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

408 
val rename = Thm.trivial (cterm_of thy goal) 
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

409 
val (thm, hyps) = zip ctxt [] t u 
47580
d99c883cdf2c
use simpler method for preserving bound variable names in transfer tactic
huffman
parents:
47568
diff
changeset

410 
in 
47789
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

411 
Drule.implies_intr_list hyps (thm RS rename) 
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

412 
end 
47580
d99c883cdf2c
use simpler method for preserving bound variable names in transfer tactic
huffman
parents:
47568
diff
changeset

413 

52354
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

414 
(* create a lambda term of the same shape as the given term *) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

415 
fun skeleton (is_atom : term > bool) ctxt t = 
47325  416 
let 
48066
c6783c9b87bf
transfer method now handles transfer rules for compound terms, e.g. localedefined constants with hidden parameters
huffman
parents:
48065
diff
changeset

417 
fun dummy ctxt = 
c6783c9b87bf
transfer method now handles transfer rules for compound terms, e.g. localedefined constants with hidden parameters
huffman
parents:
48065
diff
changeset

418 
let 
c6783c9b87bf
transfer method now handles transfer rules for compound terms, e.g. localedefined constants with hidden parameters
huffman
parents:
48065
diff
changeset

419 
val (c, ctxt) = yield_singleton Variable.variant_fixes "a" ctxt 
c6783c9b87bf
transfer method now handles transfer rules for compound terms, e.g. localedefined constants with hidden parameters
huffman
parents:
48065
diff
changeset

420 
in 
c6783c9b87bf
transfer method now handles transfer rules for compound terms, e.g. localedefined constants with hidden parameters
huffman
parents:
48065
diff
changeset

421 
(Free (c, dummyT), ctxt) 
c6783c9b87bf
transfer method now handles transfer rules for compound terms, e.g. localedefined constants with hidden parameters
huffman
parents:
48065
diff
changeset

422 
end 
52354
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

423 
fun go (Bound i) ctxt = (Bound i, ctxt) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

424 
 go (Abs (x, _, t)) ctxt = 
48066
c6783c9b87bf
transfer method now handles transfer rules for compound terms, e.g. localedefined constants with hidden parameters
huffman
parents:
48065
diff
changeset

425 
let 
52354
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

426 
val (t', ctxt) = go t ctxt 
48066
c6783c9b87bf
transfer method now handles transfer rules for compound terms, e.g. localedefined constants with hidden parameters
huffman
parents:
48065
diff
changeset

427 
in 
c6783c9b87bf
transfer method now handles transfer rules for compound terms, e.g. localedefined constants with hidden parameters
huffman
parents:
48065
diff
changeset

428 
(Abs (x, dummyT, t'), ctxt) 
c6783c9b87bf
transfer method now handles transfer rules for compound terms, e.g. localedefined constants with hidden parameters
huffman
parents:
48065
diff
changeset

429 
end 
52354
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

430 
 go (tu as (t $ u)) ctxt = 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

431 
if is_atom tu andalso not (Term.is_open tu) then dummy ctxt else 
48066
c6783c9b87bf
transfer method now handles transfer rules for compound terms, e.g. localedefined constants with hidden parameters
huffman
parents:
48065
diff
changeset

432 
let 
52354
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

433 
val (t', ctxt) = go t ctxt 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

434 
val (u', ctxt) = go u ctxt 
48066
c6783c9b87bf
transfer method now handles transfer rules for compound terms, e.g. localedefined constants with hidden parameters
huffman
parents:
48065
diff
changeset

435 
in 
c6783c9b87bf
transfer method now handles transfer rules for compound terms, e.g. localedefined constants with hidden parameters
huffman
parents:
48065
diff
changeset

436 
(t' $ u', ctxt) 
c6783c9b87bf
transfer method now handles transfer rules for compound terms, e.g. localedefined constants with hidden parameters
huffman
parents:
48065
diff
changeset

437 
end 
52354
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

438 
 go _ ctxt = dummy ctxt 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

439 
in 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

440 
go t ctxt > fst > Syntax.check_term ctxt > 
47789
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

441 
map_types (map_type_tfree (fn (a, _) => TFree (a, HOLogic.typeS))) 
52354
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

442 
end 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

443 

acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

444 
(** Monotonicity analysis **) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

445 

acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

446 
(* TODO: Put extensible table in theory data *) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

447 
val monotab = 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

448 
Symtab.make 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

449 
[(@{const_name transfer_implies}, [~1, 1]), 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

450 
(@{const_name transfer_forall}, [1])(*, 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

451 
(@{const_name implies}, [~1, 1]), 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

452 
(@{const_name All}, [1])*)] 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

453 

acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

454 
(* 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

455 
Function bool_insts determines the set of booleanrelation variables 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

456 
that can be instantiated to implies, rev_implies, or iff. 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

457 

acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

458 
Invariants: bool_insts p (t, u) requires that 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

459 
u :: _ => _ => ... => bool, and 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

460 
t is a skeleton of u 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

461 
*) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

462 
fun bool_insts p (t, u) = 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

463 
let 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

464 
fun strip2 (t1 $ t2, u1 $ u2, tus) = 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

465 
strip2 (t1, u1, (t2, u2) :: tus) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

466 
 strip2 x = x 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

467 
fun or3 ((a, b, c), (x, y, z)) = (a orelse x, b orelse y, c orelse z) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

468 
fun go Ts p (Abs (_, T, t), Abs (_, _, u)) tab = go (T :: Ts) p (t, u) tab 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

469 
 go Ts p (t, u) tab = 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

470 
let 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

471 
val (a, _) = dest_TFree (Term.body_type (Term.fastype_of1 (Ts, t))) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

472 
val (_, tf, tus) = strip2 (t, u, []) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

473 
val ps_opt = case tf of Const (c, _) => Symtab.lookup monotab c  _ => NONE 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

474 
val tab1 = 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

475 
case ps_opt of 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

476 
SOME ps => 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

477 
let 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

478 
val ps' = map (fn x => p * x) (take (length tus) ps) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

479 
in 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

480 
fold I (map2 (go Ts) ps' tus) tab 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

481 
end 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

482 
 NONE => tab 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

483 
val tab2 = Symtab.make [(a, (p >= 0, p <= 0, is_none ps_opt))] 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

484 
in 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

485 
Symtab.join (K or3) (tab1, tab2) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

486 
end 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

487 
val tab = go [] p (t, u) Symtab.empty 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

488 
fun f (a, (true, false, false)) = SOME (a, @{const implies}) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

489 
 f (a, (false, true, false)) = SOME (a, @{const rev_implies}) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

490 
 f (a, (true, true, _)) = SOME (a, HOLogic.eq_const HOLogic.boolT) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

491 
 f _ = NONE 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

492 
in 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

493 
map_filter f (Symtab.dest tab) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

494 
end 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

495 

53131
701360318565
double check that lhs or rhs really matches a subterm in a goal when creating a hole in a skeleton (Net.net does only rough matching)
kuncar
parents:
53042
diff
changeset

496 
fun matches_list ctxt term = 
701360318565
double check that lhs or rhs really matches a subterm in a goal when creating a hole in a skeleton (Net.net does only rough matching)
kuncar
parents:
53042
diff
changeset

497 
exists (equal true) o map (fn pat => Pattern.matches (Proof_Context.theory_of ctxt) (pat, term)) 
701360318565
double check that lhs or rhs really matches a subterm in a goal when creating a hole in a skeleton (Net.net does only rough matching)
kuncar
parents:
53042
diff
changeset

498 

52354
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

499 
fun transfer_rule_of_term ctxt equiv t : thm = 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

500 
let 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

501 
val compound_rhs = get_compound_rhs ctxt 
53131
701360318565
double check that lhs or rhs really matches a subterm in a goal when creating a hole in a skeleton (Net.net does only rough matching)
kuncar
parents:
53042
diff
changeset

502 
fun is_rhs t = (matches_list ctxt t o Net.unify_term compound_rhs) t 
52354
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

503 
val s = skeleton is_rhs ctxt t 
47789
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

504 
val frees = map fst (Term.add_frees s []) 
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

505 
val tfrees = map fst (Term.add_tfrees s []) 
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

506 
fun prep a = "R" ^ Library.unprefix "'" a 
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

507 
val (rnames, ctxt') = Variable.variant_fixes (map prep tfrees) ctxt 
52354
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

508 
val tab = tfrees ~~ rnames 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

509 
fun prep a = the (AList.lookup (op =) tab a) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

510 
val thm = transfer_rule_of_terms fst ctxt' tab s t 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

511 
val binsts = bool_insts (if equiv then 0 else 1) (s, t) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

512 
val cbool = @{ctyp bool} 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

513 
val relT = @{typ "bool => bool => bool"} 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

514 
val idx = Thm.maxidx_of thm + 1 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

515 
val thy = Proof_Context.theory_of ctxt 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

516 
fun tinst (a, _) = (ctyp_of thy (TVar ((a, idx), HOLogic.typeS)), cbool) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

517 
fun inst (a, t) = (cterm_of thy (Var (Name.clean_index (prep a, idx), relT)), cterm_of thy t) 
47789
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

518 
in 
52354
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

519 
thm 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

520 
> Thm.generalize (tfrees, rnames @ frees) idx 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

521 
> Thm.instantiate (map tinst binsts, map inst binsts) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

522 
end 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

523 

acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

524 
fun transfer_rule_of_lhs ctxt t : thm = 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

525 
let 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

526 
val compound_lhs = get_compound_lhs ctxt 
53131
701360318565
double check that lhs or rhs really matches a subterm in a goal when creating a hole in a skeleton (Net.net does only rough matching)
kuncar
parents:
53042
diff
changeset

527 
fun is_lhs t = (matches_list ctxt t o Net.unify_term compound_lhs) t 
52354
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

528 
val s = skeleton is_lhs ctxt t 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

529 
val frees = map fst (Term.add_frees s []) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

530 
val tfrees = map fst (Term.add_tfrees s []) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

531 
fun prep a = "R" ^ Library.unprefix "'" a 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

532 
val (rnames, ctxt') = Variable.variant_fixes (map prep tfrees) ctxt 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

533 
val tab = tfrees ~~ rnames 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

534 
fun prep a = the (AList.lookup (op =) tab a) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

535 
val thm = transfer_rule_of_terms snd ctxt' tab t s 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

536 
val binsts = bool_insts 1 (s, t) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

537 
val cbool = @{ctyp bool} 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

538 
val relT = @{typ "bool => bool => bool"} 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

539 
val idx = Thm.maxidx_of thm + 1 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

540 
val thy = Proof_Context.theory_of ctxt 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

541 
fun tinst (a, _) = (ctyp_of thy (TVar ((a, idx), HOLogic.typeS)), cbool) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

542 
fun inst (a, t) = (cterm_of thy (Var (Name.clean_index (prep a, idx), relT)), cterm_of thy t) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

543 
in 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

544 
thm 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

545 
> Thm.generalize (tfrees, rnames @ frees) idx 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

546 
> Thm.instantiate (map tinst binsts, map inst binsts) 
47789
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

547 
end 
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

548 

51437
8739f8abbecb
fixing transfer tactic  unfold fully identity relation by using relator_eq
kuncar
parents:
51374
diff
changeset

549 
fun eq_tac eq_rules = TRY o REPEAT_ALL_NEW (resolve_tac eq_rules) THEN_ALL_NEW rtac @{thm is_equality_eq} 
8739f8abbecb
fixing transfer tactic  unfold fully identity relation by using relator_eq
kuncar
parents:
51374
diff
changeset

550 

47789
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

551 
fun transfer_tac equiv ctxt i = 
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

552 
let 
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

553 
val pre_simps = @{thms transfer_forall_eq transfer_implies_eq} 
52354
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

554 
val start_rule = 
47789
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

555 
if equiv then @{thm transfer_start} else @{thm transfer_start'} 
48064
7bd9e18ce058
unify theorydata structures for transfer package
huffman
parents:
47803
diff
changeset

556 
val rules = get_transfer_raw ctxt 
51437
8739f8abbecb
fixing transfer tactic  unfold fully identity relation by using relator_eq
kuncar
parents:
51374
diff
changeset

557 
val eq_rules = get_relator_eq_raw ctxt 
47803
2e3821e13d67
allow transfer tactic to leave extra unsolved subgoals if transfer rules are missing
huffman
parents:
47789
diff
changeset

558 
(* allow unsolved subgoals only for standard transfer method, not for transfer' *) 
2e3821e13d67
allow transfer tactic to leave extra unsolved subgoals if transfer rules are missing
huffman
parents:
47789
diff
changeset

559 
val end_tac = if equiv then K all_tac else K no_tac 
49977
3259ea7a52af
transfer package: error message if preprocessing goal to objectlogic formula fails
huffman
parents:
49976
diff
changeset

560 
val err_msg = "Transfer failed to convert goal to an objectlogic formula" 
3259ea7a52af
transfer package: error message if preprocessing goal to objectlogic formula fails
huffman
parents:
49976
diff
changeset

561 
fun main_tac (t, i) = 
3259ea7a52af
transfer package: error message if preprocessing goal to objectlogic formula fails
huffman
parents:
49976
diff
changeset

562 
rtac start_rule i THEN 
52354
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

563 
(rtac (transfer_rule_of_term ctxt equiv (HOLogic.dest_Trueprop t)) 
49977
3259ea7a52af
transfer package: error message if preprocessing goal to objectlogic formula fails
huffman
parents:
49976
diff
changeset

564 
THEN_ALL_NEW 
51437
8739f8abbecb
fixing transfer tactic  unfold fully identity relation by using relator_eq
kuncar
parents:
51374
diff
changeset

565 
(SOLVED' (REPEAT_ALL_NEW (resolve_tac rules) THEN_ALL_NEW (DETERM o eq_tac eq_rules)) 
49977
3259ea7a52af
transfer package: error message if preprocessing goal to objectlogic formula fails
huffman
parents:
49976
diff
changeset

566 
ORELSE' end_tac)) (i + 1) 
3259ea7a52af
transfer package: error message if preprocessing goal to objectlogic formula fails
huffman
parents:
49976
diff
changeset

567 
handle TERM (_, ts) => raise TERM (err_msg, ts) 
47325  568 
in 
569 
EVERY 

47789
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

570 
[rewrite_goal_tac pre_simps i THEN 
49977
3259ea7a52af
transfer package: error message if preprocessing goal to objectlogic formula fails
huffman
parents:
49976
diff
changeset

571 
SUBGOAL main_tac i, 
47325  572 
(* FIXME: rewrite_goal_tac does unwanted etacontraction *) 
47355
3d9d98e0f1a4
add bounded quantifier constant transfer_bforall, whose definition is unfolded after transfer
huffman
parents:
47327
diff
changeset

573 
rewrite_goal_tac post_simps i, 
52354
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

574 
Goal.norm_hhf_tac i] 
47789
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

575 
end 
47325  576 

47789
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

577 
fun transfer_prover_tac ctxt = SUBGOAL (fn (t, i) => 
47325  578 
let 
47789
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

579 
val rhs = (snd o Term.dest_comb o HOLogic.dest_Trueprop) t 
52354
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

580 
val rule1 = transfer_rule_of_term ctxt false rhs 
48064
7bd9e18ce058
unify theorydata structures for transfer package
huffman
parents:
47803
diff
changeset

581 
val rules = get_transfer_raw ctxt 
51437
8739f8abbecb
fixing transfer tactic  unfold fully identity relation by using relator_eq
kuncar
parents:
51374
diff
changeset

582 
val eq_rules = get_relator_eq_raw ctxt 
52883
0a7c97c76f46
expand equalities in the transfer relation in transfer_prover if the relation doesn't follow the functional structure
kuncar
parents:
52358
diff
changeset

583 
val expand_eq_in_rel = transfer_rel_conv (top_rewr_conv [@{thm fun_rel_eq[symmetric,THEN eq_reflection]}]) 
47325  584 
in 
585 
EVERY 

47789
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

586 
[CONVERSION prep_conv i, 
47635
ebb79474262c
rename 'correspondence' method to 'transfer_prover'
huffman
parents:
47618
diff
changeset

587 
rtac @{thm transfer_prover_start} i, 
52883
0a7c97c76f46
expand equalities in the transfer relation in transfer_prover if the relation doesn't follow the functional structure
kuncar
parents:
52358
diff
changeset

588 
((rtac rule1 ORELSE' (CONVERSION expand_eq_in_rel THEN' rtac rule1)) 
0a7c97c76f46
expand equalities in the transfer relation in transfer_prover if the relation doesn't follow the functional structure
kuncar
parents:
52358
diff
changeset

589 
THEN_ALL_NEW 
51437
8739f8abbecb
fixing transfer tactic  unfold fully identity relation by using relator_eq
kuncar
parents:
51374
diff
changeset

590 
(REPEAT_ALL_NEW (resolve_tac rules) THEN_ALL_NEW (DETERM o eq_tac eq_rules))) (i+1), 
47618
1568dadd598a
make correspondence tactic more robust by replacing lhs with schematic variable before applying intro rules
huffman
parents:
47580
diff
changeset

591 
rtac @{thm refl} i] 
47789
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

592 
end) 
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

593 

52354
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

594 
(** Transfer attribute **) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

595 

acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

596 
fun transferred ctxt extra_rules thm = 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

597 
let 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

598 
val start_rule = @{thm transfer_start} 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

599 
val start_rule' = @{thm transfer_start'} 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

600 
val rules = extra_rules @ get_transfer_raw ctxt 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

601 
val eq_rules = get_relator_eq_raw ctxt 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

602 
val err_msg = "Transfer failed to convert goal to an objectlogic formula" 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

603 
val pre_simps = @{thms transfer_forall_eq transfer_implies_eq} 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

604 
val thm1 = Drule.forall_intr_vars thm 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

605 
val instT = rev (Term.add_tvars (Thm.full_prop_of thm1) []) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

606 
> map (fn v as ((a, _), S) => (v, TFree (a, S))) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

607 
val thm2 = thm1 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

608 
> Thm.certify_instantiate (instT, []) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

609 
> Raw_Simplifier.rewrite_rule pre_simps 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

610 
val ctxt' = Variable.declare_names (Thm.full_prop_of thm2) ctxt 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

611 
val t = HOLogic.dest_Trueprop (Thm.concl_of thm2) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

612 
val rule = transfer_rule_of_lhs ctxt' t 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

613 
val tac = 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

614 
resolve_tac [thm2 RS start_rule', thm2 RS start_rule] 1 THEN 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

615 
(rtac rule 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

616 
THEN_ALL_NEW 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

617 
(SOLVED' (REPEAT_ALL_NEW (resolve_tac rules) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

618 
THEN_ALL_NEW (DETERM o eq_tac eq_rules)))) 1 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

619 
handle TERM (_, ts) => raise TERM (err_msg, ts) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

620 
val thm3 = Goal.prove_internal [] @{cpat "Trueprop ?P"} (K tac) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

621 
val tnames = map (fst o dest_TFree o snd) instT 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

622 
in 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

623 
thm3 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

624 
> Raw_Simplifier.rewrite_rule post_simps 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

625 
> Raw_Simplifier.norm_hhf 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

626 
> Drule.generalize (tnames, []) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

627 
> Drule.zero_var_indexes 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

628 
end 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

629 
(* 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

630 
handle THM _ => thm 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

631 
*) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

632 

52358
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

633 
fun untransferred ctxt extra_rules thm = 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

634 
let 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

635 
val start_rule = @{thm untransfer_start} 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

636 
val rules = extra_rules @ get_transfer_raw ctxt 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

637 
val eq_rules = get_relator_eq_raw ctxt 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

638 
val err_msg = "Transfer failed to convert goal to an objectlogic formula" 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

639 
val pre_simps = @{thms transfer_forall_eq transfer_implies_eq} 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

640 
val thm1 = Drule.forall_intr_vars thm 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

641 
val instT = rev (Term.add_tvars (Thm.full_prop_of thm1) []) 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

642 
> map (fn v as ((a, _), S) => (v, TFree (a, S))) 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

643 
val thm2 = thm1 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

644 
> Thm.certify_instantiate (instT, []) 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

645 
> Raw_Simplifier.rewrite_rule pre_simps 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

646 
val ctxt' = Variable.declare_names (Thm.full_prop_of thm2) ctxt 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

647 
val t = HOLogic.dest_Trueprop (Thm.concl_of thm2) 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

648 
val rule = transfer_rule_of_term ctxt' true t 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

649 
val tac = 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

650 
rtac (thm2 RS start_rule) 1 THEN 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

651 
(rtac rule 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

652 
THEN_ALL_NEW 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

653 
(SOLVED' (REPEAT_ALL_NEW (resolve_tac rules) 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

654 
THEN_ALL_NEW (DETERM o eq_tac eq_rules)))) 1 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

655 
handle TERM (_, ts) => raise TERM (err_msg, ts) 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

656 
val thm3 = Goal.prove_internal [] @{cpat "Trueprop ?P"} (K tac) 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

657 
val tnames = map (fst o dest_TFree o snd) instT 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

658 
in 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

659 
thm3 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

660 
> Raw_Simplifier.rewrite_rule post_simps 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

661 
> Raw_Simplifier.norm_hhf 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

662 
> Drule.generalize (tnames, []) 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

663 
> Drule.zero_var_indexes 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

664 
end 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

665 

47789
71a526ee569a
implement transfer tactic with more scalable forward proof methods
huffman
parents:
47658
diff
changeset

666 
(** Methods and attributes **) 
47325  667 

47568
98c8b7542b72
add option to transfer method for specifying variables not to generalize over
huffman
parents:
47523
diff
changeset

668 
val free = Args.context  Args.term >> (fn (_, Free v) => v  (ctxt, t) => 
98c8b7542b72
add option to transfer method for specifying variables not to generalize over
huffman
parents:
47523
diff
changeset

669 
error ("Bad free variable: " ^ Syntax.string_of_term ctxt t)) 
98c8b7542b72
add option to transfer method for specifying variables not to generalize over
huffman
parents:
47523
diff
changeset

670 

98c8b7542b72
add option to transfer method for specifying variables not to generalize over
huffman
parents:
47523
diff
changeset

671 
val fixing = Scan.optional (Scan.lift (Args.$$$ "fixing"  Args.colon) 
98c8b7542b72
add option to transfer method for specifying variables not to generalize over
huffman
parents:
47523
diff
changeset

672 
 Scan.repeat free) [] 
98c8b7542b72
add option to transfer method for specifying variables not to generalize over
huffman
parents:
47523
diff
changeset

673 

53042  674 
fun transfer_method equiv : (Proof.context > Proof.method) context_parser = 
47568
98c8b7542b72
add option to transfer method for specifying variables not to generalize over
huffman
parents:
47523
diff
changeset

675 
fixing >> (fn vs => fn ctxt => 
47658
7631f6f7873d
enable variant of transfer method that proves an implication instead of an equivalence
huffman
parents:
47635
diff
changeset

676 
SIMPLE_METHOD' (gen_frees_tac vs ctxt THEN' transfer_tac equiv ctxt)) 
47325  677 

53042  678 
val transfer_prover_method : (Proof.context > Proof.method) context_parser = 
47635
ebb79474262c
rename 'correspondence' method to 'transfer_prover'
huffman
parents:
47618
diff
changeset

679 
Scan.succeed (fn ctxt => SIMPLE_METHOD' (transfer_prover_tac ctxt)) 
47325  680 

47635
ebb79474262c
rename 'correspondence' method to 'transfer_prover'
huffman
parents:
47618
diff
changeset

681 
(* Attribute for transfer rules *) 
47325  682 

52884
34c47bc771f2
contract equalities in transfer and transfer domain rules when they are registered
kuncar
parents:
52883
diff
changeset

683 
fun prep_rule ctxt thm = 
34c47bc771f2
contract equalities in transfer and transfer domain rules when they are registered
kuncar
parents:
52883
diff
changeset

684 
(abstract_domains_transfer o abstract_equalities_transfer ctxt o Conv.fconv_rule prep_conv) thm 
47325  685 

686 
val transfer_add = 

52884
34c47bc771f2
contract equalities in transfer and transfer domain rules when they are registered
kuncar
parents:
52883
diff
changeset

687 
Thm.declaration_attribute (fn thm => fn ctxt => 
34c47bc771f2
contract equalities in transfer and transfer domain rules when they are registered
kuncar
parents:
52883
diff
changeset

688 
(add_transfer_thm o prep_rule (Context.proof_of ctxt)) thm ctxt) 
47325  689 

690 
val transfer_del = 

52884
34c47bc771f2
contract equalities in transfer and transfer domain rules when they are registered
kuncar
parents:
52883
diff
changeset

691 
Thm.declaration_attribute (fn thm => fn ctxt => 
34c47bc771f2
contract equalities in transfer and transfer domain rules when they are registered
kuncar
parents:
52883
diff
changeset

692 
(del_transfer_thm o prep_rule (Context.proof_of ctxt)) thm ctxt) 
47325  693 

694 
val transfer_attribute = 

695 
Attrib.add_del transfer_add transfer_del 

696 

51956
a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

697 
(* Attributes for transfer domain rules *) 
a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

698 

a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

699 
val transfer_domain_add = Thm.declaration_attribute add_transfer_domain_thm 
a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

700 

a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

701 
val transfer_domain_del = Thm.declaration_attribute del_transfer_domain_thm 
a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

702 

a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

703 
val transfer_domain_attribute = 
a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

704 
Attrib.add_del transfer_domain_add transfer_domain_del 
a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

705 

52354
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

706 
(* Attributes for transferred rules *) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

707 

acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

708 
fun transferred_attribute thms = Thm.rule_attribute 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

709 
(fn context => transferred (Context.proof_of context) thms) 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

710 

52358
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

711 
fun untransferred_attribute thms = Thm.rule_attribute 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

712 
(fn context => untransferred (Context.proof_of context) thms) 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

713 

52354
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

714 
val transferred_attribute_parser = 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

715 
Attrib.thms >> transferred_attribute 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

716 

52358
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

717 
val untransferred_attribute_parser = 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

718 
Attrib.thms >> untransferred_attribute 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

719 

47325  720 
(* Theory setup *) 
721 

49975
faf4afed009f
transfer package: more flexible handling of equality relations using is_equality predicate
huffman
parents:
49625
diff
changeset

722 
val relator_eq_setup = 
faf4afed009f
transfer package: more flexible handling of equality relations using is_equality predicate
huffman
parents:
49625
diff
changeset

723 
let 
faf4afed009f
transfer package: more flexible handling of equality relations using is_equality predicate
huffman
parents:
49625
diff
changeset

724 
val name = @{binding relator_eq} 
faf4afed009f
transfer package: more flexible handling of equality relations using is_equality predicate
huffman
parents:
49625
diff
changeset

725 
fun add_thm thm = Data.map (map_relator_eq (Item_Net.update thm)) 
51437
8739f8abbecb
fixing transfer tactic  unfold fully identity relation by using relator_eq
kuncar
parents:
51374
diff
changeset

726 
#> Data.map (map_relator_eq_raw (Item_Net.update (abstract_equalities_relator_eq thm))) 
49975
faf4afed009f
transfer package: more flexible handling of equality relations using is_equality predicate
huffman
parents:
49625
diff
changeset

727 
fun del_thm thm = Data.map (map_relator_eq (Item_Net.remove thm)) 
51437
8739f8abbecb
fixing transfer tactic  unfold fully identity relation by using relator_eq
kuncar
parents:
51374
diff
changeset

728 
#> Data.map (map_relator_eq_raw (Item_Net.remove (abstract_equalities_relator_eq thm))) 
49975
faf4afed009f
transfer package: more flexible handling of equality relations using is_equality predicate
huffman
parents:
49625
diff
changeset

729 
val add = Thm.declaration_attribute add_thm 
faf4afed009f
transfer package: more flexible handling of equality relations using is_equality predicate
huffman
parents:
49625
diff
changeset

730 
val del = Thm.declaration_attribute del_thm 
faf4afed009f
transfer package: more flexible handling of equality relations using is_equality predicate
huffman
parents:
49625
diff
changeset

731 
val text = "declaration of relator equality rule (used by transfer method)" 
faf4afed009f
transfer package: more flexible handling of equality relations using is_equality predicate
huffman
parents:
49625
diff
changeset

732 
val content = Item_Net.content o #relator_eq o Data.get 
faf4afed009f
transfer package: more flexible handling of equality relations using is_equality predicate
huffman
parents:
49625
diff
changeset

733 
in 
faf4afed009f
transfer package: more flexible handling of equality relations using is_equality predicate
huffman
parents:
49625
diff
changeset

734 
Attrib.setup name (Attrib.add_del add del) text 
faf4afed009f
transfer package: more flexible handling of equality relations using is_equality predicate
huffman
parents:
49625
diff
changeset

735 
#> Global_Theory.add_thms_dynamic (name, content) 
faf4afed009f
transfer package: more flexible handling of equality relations using is_equality predicate
huffman
parents:
49625
diff
changeset

736 
end 
faf4afed009f
transfer package: more flexible handling of equality relations using is_equality predicate
huffman
parents:
49625
diff
changeset

737 

51956
a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

738 
val relator_domain_setup = 
a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

739 
let 
a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

740 
val name = @{binding relator_domain} 
a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

741 
fun add_thm thm = Data.map (map_relator_domain (Item_Net.update thm)) 
a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

742 
#> add_transfer_domain_thm thm 
a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

743 
fun del_thm thm = Data.map (map_relator_domain (Item_Net.remove thm)) 
a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

744 
#> del_transfer_domain_thm thm 
a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

745 
val add = Thm.declaration_attribute add_thm 
a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

746 
val del = Thm.declaration_attribute del_thm 
a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

747 
val text = "declaration of relator domain rule (used by transfer method)" 
a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

748 
val content = Item_Net.content o #relator_domain o Data.get 
a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

749 
in 
a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

750 
Attrib.setup name (Attrib.add_del add del) text 
a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

751 
#> Global_Theory.add_thms_dynamic (name, content) 
a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

752 
end 
a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

753 

a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

754 

47325  755 
val setup = 
48064
7bd9e18ce058
unify theorydata structures for transfer package
huffman
parents:
47803
diff
changeset

756 
relator_eq_setup 
51956
a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

757 
#> relator_domain_setup 
47325  758 
#> Attrib.setup @{binding transfer_rule} transfer_attribute 
47635
ebb79474262c
rename 'correspondence' method to 'transfer_prover'
huffman
parents:
47618
diff
changeset

759 
"transfer rule for transfer method" 
48064
7bd9e18ce058
unify theorydata structures for transfer package
huffman
parents:
47803
diff
changeset

760 
#> Global_Theory.add_thms_dynamic 
7bd9e18ce058
unify theorydata structures for transfer package
huffman
parents:
47803
diff
changeset

761 
(@{binding transfer_raw}, Item_Net.content o #transfer_raw o Data.get) 
51956
a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

762 
#> Attrib.setup @{binding transfer_domain_rule} transfer_domain_attribute 
a4d81cdebf8b
better support for domains in Lifting/Transfer = replace Domainp T by the actual invariant in a transferred goal
kuncar
parents:
51955
diff
changeset

763 
"transfer domain rule for transfer method" 
52354
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

764 
#> Attrib.setup @{binding transferred} transferred_attribute_parser 
acb4f932dd24
implement 'transferred' attribute for transfer package, with support for monotonicity of !!/==>
huffman
parents:
51996
diff
changeset

765 
"raw theorem transferred to abstract theorem using transfer rules" 
52358
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

766 
#> Attrib.setup @{binding untransferred} untransferred_attribute_parser 
f4c4bcb0d564
implement 'untransferred' attribute, which is like 'transferred' but works in the opposite direction
huffman
parents:
52354
diff
changeset

767 
"abstract theorem transferred to raw theorem using transfer rules" 
51437
8739f8abbecb
fixing transfer tactic  unfold fully identity relation by using relator_eq
kuncar
parents:
51374
diff
changeset

768 
#> Global_Theory.add_thms_dynamic 
8739f8abbecb
fixing transfer tactic  unfold fully identity relation by using relator_eq
kuncar
parents:
51374
diff
changeset

769 
(@{binding relator_eq_raw}, Item_Net.content o #relator_eq_raw o Data.get) 
47658
7631f6f7873d
enable variant of transfer method that proves an implication instead of an equivalence
huffman
parents:
47635
diff
changeset

770 
#> Method.setup @{binding transfer} (transfer_method true) 
7631f6f7873d
enable variant of transfer method that proves an implication instead of an equivalence
huffman
parents:
47635
diff
changeset

771 
"generic theorem transfer method" 
7631f6f7873d
enable variant of transfer method that proves an implication instead of an equivalence
huffman
parents:
47635
diff
changeset

772 
#> Method.setup @{binding transfer'} (transfer_method false) 
47325  773 
"generic theorem transfer method" 
47635
ebb79474262c
rename 'correspondence' method to 'transfer_prover'
huffman
parents:
47618
diff
changeset

774 
#> Method.setup @{binding transfer_prover} transfer_prover_method 
ebb79474262c
rename 'correspondence' method to 'transfer_prover'
huffman
parents:
47618
diff
changeset

775 
"for proving transfer rules" 
47325  776 

777 
end 