src/Pure/more_thm.ML
author wenzelm
Mon, 18 Aug 2014 15:46:27 +0200
changeset 58001 934d85f14d1d
parent 56245 84fc7dfa3cd4
child 59058 a78612c67ec0
permissions -rw-r--r--
more general dummy: may contain "parked arguments", for example;
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(*  Title:      Pure/more_thm.ML
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    Author:     Makarius
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Further operations on type ctyp/cterm/thm, outside the inference kernel.
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*)
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infix aconvc;
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signature BASIC_THM =
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sig
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  include BASIC_THM
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  structure Ctermtab: TABLE
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  structure Thmtab: TABLE
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  val aconvc: cterm * cterm -> bool
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  type attribute = Context.generic * thm -> Context.generic option * thm option
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end;
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signature THM =
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sig
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  include THM
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  structure Ctermtab: TABLE
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  structure Thmtab: TABLE
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  val aconvc: cterm * cterm -> bool
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  val add_cterm_frees: cterm -> cterm list -> cterm list
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  val all_name: string * cterm -> cterm -> cterm
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  val all: cterm -> cterm -> cterm
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  val mk_binop: cterm -> cterm -> cterm -> cterm
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  val dest_binop: cterm -> cterm * cterm
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  val dest_implies: cterm -> cterm * cterm
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  val dest_equals: cterm -> cterm * cterm
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  val dest_equals_lhs: cterm -> cterm
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  val dest_equals_rhs: cterm -> cterm
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  val lhs_of: thm -> cterm
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  val rhs_of: thm -> cterm
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  val thm_ord: thm * thm -> order
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  val cterm_cache: (cterm -> 'a) -> cterm -> 'a
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  val thm_cache: (thm -> 'a) -> thm -> 'a
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  val is_reflexive: thm -> bool
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  val eq_thm: thm * thm -> bool
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  val eq_thm_prop: thm * thm -> bool
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  val eq_thm_strict: thm * thm -> bool
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  val equiv_thm: thm * thm -> bool
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  val class_triv: theory -> class -> thm
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  val of_sort: ctyp * sort -> thm list
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  val check_shyps: sort list -> thm -> thm
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  val is_dummy: thm -> bool
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  val plain_prop_of: thm -> term
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  val add_thm: thm -> thm list -> thm list
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  val del_thm: thm -> thm list -> thm list
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  val merge_thms: thm list * thm list -> thm list
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  val full_rules: thm Item_Net.T
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  val intro_rules: thm Item_Net.T
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  val elim_rules: thm Item_Net.T
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  val declare_hyps: cterm -> Proof.context -> Proof.context
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  val assume_hyps: cterm -> Proof.context -> thm * Proof.context
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  val unchecked_hyps: Proof.context -> Proof.context
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  val restore_hyps: Proof.context -> Proof.context -> Proof.context
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  val undeclared_hyps: Context.generic -> thm -> term list
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  val check_hyps: Context.generic -> thm -> thm
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  val elim_implies: thm -> thm -> thm
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  val forall_elim_var: int -> thm -> thm
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  val forall_elim_vars: int -> thm -> thm
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  val certify_inst: theory ->
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    ((indexname * sort) * typ) list * ((indexname * typ) * term) list ->
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    (ctyp * ctyp) list * (cterm * cterm) list
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  val certify_instantiate:
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    ((indexname * sort) * typ) list * ((indexname * typ) * term) list -> thm -> thm
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  val forall_intr_frees: thm -> thm
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  val unvarify_global: thm -> thm
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  val close_derivation: thm -> thm
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  val add_axiom: Proof.context -> binding * term -> theory -> (string * thm) * theory
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  val add_axiom_global: binding * term -> theory -> (string * thm) * theory
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  val add_def: Proof.context -> bool -> bool -> binding * term -> theory -> (string * thm) * theory
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  val add_def_global: bool -> bool -> binding * term -> theory -> (string * thm) * theory
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  type attribute = Context.generic * thm -> Context.generic option * thm option
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  type binding = binding * attribute list
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  val empty_binding: binding
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  val rule_attribute: (Context.generic -> thm -> thm) -> attribute
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  val declaration_attribute: (thm -> Context.generic -> Context.generic) -> attribute
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  val mixed_attribute: (Context.generic * thm -> Context.generic * thm) -> attribute
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  val apply_attribute: attribute -> thm -> Context.generic -> thm * Context.generic
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  val attribute_declaration: attribute -> thm -> Context.generic -> Context.generic
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  val theory_attributes: attribute list -> thm -> theory -> thm * theory
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  val proof_attributes: attribute list -> thm -> Proof.context -> thm * Proof.context
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  val no_attributes: 'a -> 'a * 'b list
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  val simple_fact: 'a -> ('a * 'b list) list
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  val tag_rule: string * string -> thm -> thm
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  val untag_rule: string -> thm -> thm
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  val tag: string * string -> attribute
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  val untag: string -> attribute
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  val def_name: string -> string
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  val def_name_optional: string -> string -> string
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  val def_binding: Binding.binding -> Binding.binding
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  val def_binding_optional: Binding.binding -> Binding.binding -> Binding.binding
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  val has_name_hint: thm -> bool
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  val get_name_hint: thm -> string
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  val put_name_hint: string -> thm -> thm
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  val theoremK: string
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  val lemmaK: string
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  val corollaryK: string
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  val legacy_get_kind: thm -> string
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  val kind_rule: string -> thm -> thm
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  val kind: string -> attribute
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  val register_proofs: thm list -> theory -> theory
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  val join_theory_proofs: theory -> unit
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end;
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structure Thm: THM =
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struct
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(** basic operations **)
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(* collecting cterms *)
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val op aconvc = op aconv o pairself Thm.term_of;
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fun add_cterm_frees ct =
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  let
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    val cert = Thm.cterm_of (Thm.theory_of_cterm ct);
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    val t = Thm.term_of ct;
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  in Term.fold_aterms (fn v as Free _ => insert (op aconvc) (cert v) | _ => I) t end;
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(* cterm constructors and destructors *)
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fun all_name (x, t) A =
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  let
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    val cert = Thm.cterm_of (Thm.theory_of_cterm t);
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    val T = #T (Thm.rep_cterm t);
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  in Thm.apply (cert (Const ("Pure.all", (T --> propT) --> propT))) (Thm.lambda_name (x, t) A) end;
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fun all t A = all_name ("", t) A;
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fun mk_binop c a b = Thm.apply (Thm.apply c a) b;
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fun dest_binop ct = (Thm.dest_arg1 ct, Thm.dest_arg ct);
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fun dest_implies ct =
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  (case Thm.term_of ct of
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    Const ("Pure.imp", _) $ _ $ _ => dest_binop ct
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  | _ => raise TERM ("dest_implies", [Thm.term_of ct]));
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fun dest_equals ct =
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  (case Thm.term_of ct of
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    Const ("Pure.eq", _) $ _ $ _ => dest_binop ct
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  | _ => raise TERM ("dest_equals", [Thm.term_of ct]));
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fun dest_equals_lhs ct =
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  (case Thm.term_of ct of
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    Const ("Pure.eq", _) $ _ $ _ => Thm.dest_arg1 ct
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  | _ => raise TERM ("dest_equals_lhs", [Thm.term_of ct]));
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fun dest_equals_rhs ct =
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  (case Thm.term_of ct of
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    Const ("Pure.eq", _) $ _ $ _ => Thm.dest_arg ct
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  | _ => raise TERM ("dest_equals_rhs", [Thm.term_of ct]));
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val lhs_of = dest_equals_lhs o Thm.cprop_of;
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val rhs_of = dest_equals_rhs o Thm.cprop_of;
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(* thm order: ignores theory context! *)
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fun thm_ord (th1, th2) =
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  let
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    val {shyps = shyps1, hyps = hyps1, tpairs = tpairs1, prop = prop1, ...} = Thm.rep_thm th1;
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    val {shyps = shyps2, hyps = hyps2, tpairs = tpairs2, prop = prop2, ...} = Thm.rep_thm th2;
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  in
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    (case Term_Ord.fast_term_ord (prop1, prop2) of
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      EQUAL =>
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        (case list_ord (prod_ord Term_Ord.fast_term_ord Term_Ord.fast_term_ord) (tpairs1, tpairs2) of
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          EQUAL =>
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            (case list_ord Term_Ord.fast_term_ord (hyps1, hyps2) of
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              EQUAL => list_ord Term_Ord.sort_ord (shyps1, shyps2)
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            | ord => ord)
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        | ord => ord)
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    | ord => ord)
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  end;
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(* tables and caches *)
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structure Ctermtab = Table(type key = cterm val ord = Term_Ord.fast_term_ord o pairself Thm.term_of);
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structure Thmtab = Table(type key = thm val ord = thm_ord);
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fun cterm_cache f = Cache.create Ctermtab.empty Ctermtab.lookup Ctermtab.update f;
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fun thm_cache f = Cache.create Thmtab.empty Thmtab.lookup Thmtab.update f;
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(* equality *)
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fun is_reflexive th = op aconv (Logic.dest_equals (Thm.prop_of th))
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  handle TERM _ => false;
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val eq_thm = is_equal o thm_ord;
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val eq_thm_prop = op aconv o pairself Thm.full_prop_of;
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fun eq_thm_strict ths =
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  eq_thm ths andalso
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    let val (rep1, rep2) = pairself Thm.rep_thm ths in
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      Theory.eq_thy (#thy rep1, #thy rep2) andalso
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      #maxidx rep1 = #maxidx rep2 andalso
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      #tags rep1 = #tags rep2
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    end;
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(* pattern equivalence *)
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fun equiv_thm ths =
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  Pattern.equiv (Theory.merge (pairself Thm.theory_of_thm ths)) (pairself Thm.full_prop_of ths);
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31904
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(* type classes and sorts *)
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fun class_triv thy c =
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  Thm.of_class (Thm.ctyp_of thy (TVar ((Name.aT, 0), [c])), c);
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c8a35979a5bc clarified Thm.of_class/of_sort/class_triv;
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fun of_sort (T, S) = map (fn c => Thm.of_class (T, c)) S;
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fun check_shyps sorts raw_th =
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  let
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    val th = Thm.strip_shyps raw_th;
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    val prt_sort = Syntax.pretty_sort_global (Thm.theory_of_thm th);
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    val pending = Sorts.subtract sorts (Thm.extra_shyps th);
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  in
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    if null pending then th
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    else error (Pretty.string_of (Pretty.block (Pretty.str "Pending sort hypotheses:" ::
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      Pretty.brk 1 :: Pretty.commas (map prt_sort pending))))
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  end;
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a60164e8fff0 added check_shyps, which reject pending sort hypotheses;
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   231
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(* misc operations *)
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   233
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a12b4faff474 moved Drule.add/del/merge_rules to Thm.add/del/merge_thms;
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fun is_dummy thm =
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  (case try Logic.dest_term (Thm.concl_of thm) of
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    NONE => false
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  | SOME t => Term.is_dummy_pattern (Term.head_of t));
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   238
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fun plain_prop_of raw_thm =
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  let
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    val thm = Thm.strip_shyps raw_thm;
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    fun err msg = raise THM ("plain_prop_of: " ^ msg, 0, [thm]);
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    val {hyps, prop, tpairs, ...} = Thm.rep_thm thm;
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  in
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    if not (null hyps) then
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      err "theorem may not contain hypotheses"
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    else if not (null (Thm.extra_shyps thm)) then
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      err "theorem may not contain sort hypotheses"
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    else if not (null tpairs) then
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      err "theorem may not contain flex-flex pairs"
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   251
    else prop
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   252
  end;
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17073e9b94f2 moved Drule.plain_prop_of, Drule.fold_terms to more_thm.ML;
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30564
deddb8a1516f tuned comment;
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(* collections of theorems in canonical order *)
24048
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a12b4faff474 moved Drule.add/del/merge_rules to Thm.add/del/merge_thms;
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val add_thm = update eq_thm_prop;
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val del_thm = remove eq_thm_prop;
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val merge_thms = merge eq_thm_prop;
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33453
fe551dc9d4bd scalable version of Named_Thms, using Item_Net;
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val full_rules = Item_Net.init eq_thm_prop (single o Thm.full_prop_of);
33373
674df68d4df0 adapted Item_Net;
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val intro_rules = Item_Net.init eq_thm_prop (single o Thm.concl_of);
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val elim_rules = Item_Net.init eq_thm_prop (single o Thm.major_prem_of);
30560
0cc3b7f03ade adapted to general Item_Net;
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0cc3b7f03ade adapted to general Item_Net;
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   265
22682
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54984
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(** declared hyps **)
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da70ab8531f4 more elementary management of declared hyps, below structure Assumption;
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structure Hyps = Proof_Data
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(
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  type T = Termtab.set * bool;
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  fun init _ : T = (Termtab.empty, true);
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);
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da70ab8531f4 more elementary management of declared hyps, below structure Assumption;
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fun declare_hyps ct ctxt =
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  if Theory.subthy (theory_of_cterm ct, Proof_Context.theory_of ctxt) then
54993
625370769fc0 check_hyps for attribute application (still inactive, due to non-compliant tools);
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    (Hyps.map o apfst) (Termtab.update (term_of ct, ())) ctxt
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  else raise CTERM ("assume_hyps: bad background theory", [ct]);
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da70ab8531f4 more elementary management of declared hyps, below structure Assumption;
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fun assume_hyps ct ctxt = (Thm.assume ct, declare_hyps ct ctxt);
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val unchecked_hyps = (Hyps.map o apsnd) (K false);
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fun restore_hyps ctxt = (Hyps.map o apsnd) (K (#2 (Hyps.get ctxt)));
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55633
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   285
fun undeclared_hyps context th =
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  Thm.hyps_of th
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   287
  |> filter_out
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    (case context of
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   289
      Context.Theory _ => K false
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    | Context.Proof ctxt =>
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   291
        (case Hyps.get ctxt of
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   292
          (_, false) => K true
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   293
        | (hyps, _) => Termtab.defined hyps));
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   294
54993
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fun check_hyps context th =
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   296
  (case undeclared_hyps context th of
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   297
    [] => th
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   298
  | undeclared =>
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   299
      let
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   300
        val ctxt = Context.cases Syntax.init_pretty_global I context;
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   301
      in
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   302
        error (Pretty.string_of (Pretty.big_list "Undeclared hyps:"
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   303
          (map (Pretty.item o single o Syntax.pretty_term ctxt) undeclared)))
55633
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   304
      end);
54984
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   305
da70ab8531f4 more elementary management of declared hyps, below structure Assumption;
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da70ab8531f4 more elementary management of declared hyps, below structure Assumption;
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   307
24980
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   308
(** basic derived rules **)
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   309
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   310
(*Elimination of implication
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   311
  A    A ==> B
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   312
  ------------
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   313
        B
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   314
*)
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   315
fun elim_implies thA thAB = Thm.implies_elim thAB thA;
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   316
26653
60e0cf6bef89 Thm.forall_elim_var(s);
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   317
60e0cf6bef89 Thm.forall_elim_var(s);
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   318
(* forall_elim_var(s) *)
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   319
60e0cf6bef89 Thm.forall_elim_var(s);
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   320
local
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   321
60e0cf6bef89 Thm.forall_elim_var(s);
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   322
fun forall_elim_vars_aux strip_vars i th =
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   323
  let
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   324
    val thy = Thm.theory_of_thm th;
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   325
    val {tpairs, prop, ...} = Thm.rep_thm th;
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   326
    val add_used = Term.fold_aterms
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   327
      (fn Var ((x, j), _) => if i = j then insert (op =) x else I | _ => I);
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   328
    val used = fold (fn (t, u) => add_used t o add_used u) tpairs (add_used prop []);
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   329
    val vars = strip_vars prop;
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   330
    val cvars = (Name.variant_list used (map #1 vars), vars)
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diff changeset
   331
      |> ListPair.map (fn (x, (_, T)) => Thm.cterm_of thy (Var ((x, i), T)));
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   332
  in fold Thm.forall_elim cvars th end;
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   333
60e0cf6bef89 Thm.forall_elim_var(s);
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   334
in
60e0cf6bef89 Thm.forall_elim_var(s);
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   335
60e0cf6bef89 Thm.forall_elim_var(s);
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   336
val forall_elim_vars = forall_elim_vars_aux Term.strip_all_vars;
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   337
33697
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   338
fun forall_elim_var i th =
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   339
  forall_elim_vars_aux
56245
84fc7dfa3cd4 more qualified names;
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   340
    (fn Const ("Pure.all", _) $ Abs (a, T, _) => [(a, T)]
33697
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   341
      | _ => raise THM ("forall_elim_vars", i, [th])) i th;
26653
60e0cf6bef89 Thm.forall_elim_var(s);
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   342
60e0cf6bef89 Thm.forall_elim_var(s);
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   343
end;
60e0cf6bef89 Thm.forall_elim_var(s);
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   344
60e0cf6bef89 Thm.forall_elim_var(s);
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   345
32279
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   346
(* certify_instantiate *)
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   347
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   348
fun certify_inst thy (instT, inst) =
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   349
  (map (fn (v, T) => (Thm.ctyp_of thy (TVar v), Thm.ctyp_of thy T)) instT,
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   350
    map (fn (v, t) => (Thm.cterm_of thy (Var v), Thm.cterm_of thy t)) inst);
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   351
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   352
fun certify_instantiate insts th =
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   353
  Thm.instantiate (certify_inst (Thm.theory_of_thm th) insts) th;
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   354
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parents: 32198
diff changeset
   355
35985
0bbf0d2348f9 moved Drule.forall_intr_frees to Thm.forall_intr_frees (in more_thm.ML, which is loaded before pure_thy.ML);
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parents: 35857
diff changeset
   356
(* forall_intr_frees: generalization over all suitable Free variables *)
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parents: 35857
diff changeset
   357
0bbf0d2348f9 moved Drule.forall_intr_frees to Thm.forall_intr_frees (in more_thm.ML, which is loaded before pure_thy.ML);
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parents: 35857
diff changeset
   358
fun forall_intr_frees th =
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parents: 35857
diff changeset
   359
  let
0bbf0d2348f9 moved Drule.forall_intr_frees to Thm.forall_intr_frees (in more_thm.ML, which is loaded before pure_thy.ML);
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parents: 35857
diff changeset
   360
    val thy = Thm.theory_of_thm th;
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parents: 35857
diff changeset
   361
    val {prop, hyps, tpairs, ...} = Thm.rep_thm th;
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parents: 35857
diff changeset
   362
    val fixed = fold Term.add_frees (Thm.terms_of_tpairs tpairs @ hyps) [];
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parents: 35857
diff changeset
   363
    val frees = Term.fold_aterms (fn Free v =>
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parents: 35857
diff changeset
   364
      if member (op =) fixed v then I else insert (op =) v | _ => I) prop [];
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parents: 35857
diff changeset
   365
  in fold (Thm.forall_intr o Thm.cterm_of thy o Free) frees th end;
0bbf0d2348f9 moved Drule.forall_intr_frees to Thm.forall_intr_frees (in more_thm.ML, which is loaded before pure_thy.ML);
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parents: 35857
diff changeset
   366
0bbf0d2348f9 moved Drule.forall_intr_frees to Thm.forall_intr_frees (in more_thm.ML, which is loaded before pure_thy.ML);
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parents: 35857
diff changeset
   367
35845
e5980f0ad025 renamed varify/unvarify operations to varify_global/unvarify_global to emphasize that these only work in a global situation;
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parents: 35715
diff changeset
   368
(* unvarify_global: global schematic variables *)
26653
60e0cf6bef89 Thm.forall_elim_var(s);
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parents: 26628
diff changeset
   369
35845
e5980f0ad025 renamed varify/unvarify operations to varify_global/unvarify_global to emphasize that these only work in a global situation;
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parents: 35715
diff changeset
   370
fun unvarify_global th =
24980
16a74cfca971 added elim_implies (more convenient argument order);
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parents: 24948
diff changeset
   371
  let
16a74cfca971 added elim_implies (more convenient argument order);
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parents: 24948
diff changeset
   372
    val prop = Thm.full_prop_of th;
35845
e5980f0ad025 renamed varify/unvarify operations to varify_global/unvarify_global to emphasize that these only work in a global situation;
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parents: 35715
diff changeset
   373
    val _ = map Logic.unvarify_global (prop :: Thm.hyps_of th)
24980
16a74cfca971 added elim_implies (more convenient argument order);
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parents: 24948
diff changeset
   374
      handle TERM (msg, _) => raise THM (msg, 0, [th]);
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parents: 24948
diff changeset
   375
32279
e40563627419 added certify_inst, certify_instantiate;
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parents: 32198
diff changeset
   376
    val instT = rev (Term.add_tvars prop []) |> map (fn v as ((a, _), S) => (v, TFree (a, S)));
24980
16a74cfca971 added elim_implies (more convenient argument order);
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parents: 24948
diff changeset
   377
    val inst = rev (Term.add_vars prop []) |> map (fn ((a, i), T) =>
32279
e40563627419 added certify_inst, certify_instantiate;
wenzelm
parents: 32198
diff changeset
   378
      let val T' = Term_Subst.instantiateT instT T
e40563627419 added certify_inst, certify_instantiate;
wenzelm
parents: 32198
diff changeset
   379
      in (((a, i), T'), Free ((a, T'))) end);
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wenzelm
parents: 32198
diff changeset
   380
  in certify_instantiate (instT, inst) th end;
24980
16a74cfca971 added elim_implies (more convenient argument order);
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parents: 24948
diff changeset
   381
26653
60e0cf6bef89 Thm.forall_elim_var(s);
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parents: 26628
diff changeset
   382
60e0cf6bef89 Thm.forall_elim_var(s);
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parents: 26628
diff changeset
   383
(* close_derivation *)
60e0cf6bef89 Thm.forall_elim_var(s);
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parents: 26628
diff changeset
   384
26628
63306cb94313 replaced Drule.close_derivation/Goal.close_result by Thm.close_derivation (removed obsolete compression);
wenzelm
parents: 25518
diff changeset
   385
fun close_derivation thm =
36744
6e1f3d609a68 renamed Thm.get_name -> Thm.derivation_name and Thm.put_name -> Thm.name_derivation, to emphasize the true nature of these operations;
wenzelm
parents: 36106
diff changeset
   386
  if Thm.derivation_name thm = "" then Thm.name_derivation "" thm
26628
63306cb94313 replaced Drule.close_derivation/Goal.close_result by Thm.close_derivation (removed obsolete compression);
wenzelm
parents: 25518
diff changeset
   387
  else thm;
63306cb94313 replaced Drule.close_derivation/Goal.close_result by Thm.close_derivation (removed obsolete compression);
wenzelm
parents: 25518
diff changeset
   388
24980
16a74cfca971 added elim_implies (more convenient argument order);
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parents: 24948
diff changeset
   389
16a74cfca971 added elim_implies (more convenient argument order);
wenzelm
parents: 24948
diff changeset
   390
16a74cfca971 added elim_implies (more convenient argument order);
wenzelm
parents: 24948
diff changeset
   391
(** specification primitives **)
16a74cfca971 added elim_implies (more convenient argument order);
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parents: 24948
diff changeset
   392
30342
d32daa6aba3c moved Thm.def_name(_optional) to more_thm.ML;
wenzelm
parents: 30210
diff changeset
   393
(* rules *)
d32daa6aba3c moved Thm.def_name(_optional) to more_thm.ML;
wenzelm
parents: 30210
diff changeset
   394
35855
e7d004b89ca8 add_axiom: axiomatize "unconstrained" version, with explicit of_class premises;
wenzelm
parents: 35853
diff changeset
   395
fun stripped_sorts thy t =
e7d004b89ca8 add_axiom: axiomatize "unconstrained" version, with explicit of_class premises;
wenzelm
parents: 35853
diff changeset
   396
  let
e7d004b89ca8 add_axiom: axiomatize "unconstrained" version, with explicit of_class premises;
wenzelm
parents: 35853
diff changeset
   397
    val tfrees = rev (map TFree (Term.add_tfrees t []));
43329
84472e198515 tuned signature: Name.invent and Name.invent_names;
wenzelm
parents: 42473
diff changeset
   398
    val tfrees' = map (fn a => TFree (a, [])) (Name.invent Name.context Name.aT (length tfrees));
35855
e7d004b89ca8 add_axiom: axiomatize "unconstrained" version, with explicit of_class premises;
wenzelm
parents: 35853
diff changeset
   399
    val strip = tfrees ~~ tfrees';
e7d004b89ca8 add_axiom: axiomatize "unconstrained" version, with explicit of_class premises;
wenzelm
parents: 35853
diff changeset
   400
    val recover = map (pairself (Thm.ctyp_of thy o Logic.varifyT_global) o swap) strip;
e7d004b89ca8 add_axiom: axiomatize "unconstrained" version, with explicit of_class premises;
wenzelm
parents: 35853
diff changeset
   401
    val t' = Term.map_types (Term.map_atyps (perhaps (AList.lookup (op =) strip))) t;
e7d004b89ca8 add_axiom: axiomatize "unconstrained" version, with explicit of_class premises;
wenzelm
parents: 35853
diff changeset
   402
  in (strip, recover, t') end;
e7d004b89ca8 add_axiom: axiomatize "unconstrained" version, with explicit of_class premises;
wenzelm
parents: 35853
diff changeset
   403
42375
774df7c59508 report Name_Space.declare/define, relatively to context;
wenzelm
parents: 40238
diff changeset
   404
fun add_axiom ctxt (b, prop) thy =
24980
16a74cfca971 added elim_implies (more convenient argument order);
wenzelm
parents: 24948
diff changeset
   405
  let
42375
774df7c59508 report Name_Space.declare/define, relatively to context;
wenzelm
parents: 40238
diff changeset
   406
    val _ = Sign.no_vars ctxt prop;
35855
e7d004b89ca8 add_axiom: axiomatize "unconstrained" version, with explicit of_class premises;
wenzelm
parents: 35853
diff changeset
   407
    val (strip, recover, prop') = stripped_sorts thy prop;
e7d004b89ca8 add_axiom: axiomatize "unconstrained" version, with explicit of_class premises;
wenzelm
parents: 35853
diff changeset
   408
    val constraints = map (fn (TFree (_, S), T) => (T, S)) strip;
e7d004b89ca8 add_axiom: axiomatize "unconstrained" version, with explicit of_class premises;
wenzelm
parents: 35853
diff changeset
   409
    val of_sorts = maps (fn (T as TFree (_, S), _) => of_sort (Thm.ctyp_of thy T, S)) strip;
36106
19deea200358 Thm.add_axiom/add_def: return internal name of foundational axiom;
wenzelm
parents: 35988
diff changeset
   410
42375
774df7c59508 report Name_Space.declare/define, relatively to context;
wenzelm
parents: 40238
diff changeset
   411
    val thy' = thy
51316
dfe469293eb4 discontinued empty name bindings in 'axiomatization';
wenzelm
parents: 49062
diff changeset
   412
      |> Theory.add_axiom ctxt (b, Logic.list_implies (maps Logic.mk_of_sort constraints, prop'));
dfe469293eb4 discontinued empty name bindings in 'axiomatization';
wenzelm
parents: 49062
diff changeset
   413
    val axm_name = Sign.full_name thy' b;
36106
19deea200358 Thm.add_axiom/add_def: return internal name of foundational axiom;
wenzelm
parents: 35988
diff changeset
   414
    val axm' = Thm.axiom thy' axm_name;
35988
76ca601c941e disallow premises in primitive Theory.add_def -- handle in Thm.add_def;
wenzelm
parents: 35985
diff changeset
   415
    val thm =
76ca601c941e disallow premises in primitive Theory.add_def -- handle in Thm.add_def;
wenzelm
parents: 35985
diff changeset
   416
      Thm.instantiate (recover, []) axm'
76ca601c941e disallow premises in primitive Theory.add_def -- handle in Thm.add_def;
wenzelm
parents: 35985
diff changeset
   417
      |> unvarify_global
76ca601c941e disallow premises in primitive Theory.add_def -- handle in Thm.add_def;
wenzelm
parents: 35985
diff changeset
   418
      |> fold elim_implies of_sorts;
36106
19deea200358 Thm.add_axiom/add_def: return internal name of foundational axiom;
wenzelm
parents: 35988
diff changeset
   419
  in ((axm_name, thm), thy') end;
24980
16a74cfca971 added elim_implies (more convenient argument order);
wenzelm
parents: 24948
diff changeset
   420
42375
774df7c59508 report Name_Space.declare/define, relatively to context;
wenzelm
parents: 40238
diff changeset
   421
fun add_axiom_global arg thy = add_axiom (Syntax.init_pretty_global thy) arg thy;
774df7c59508 report Name_Space.declare/define, relatively to context;
wenzelm
parents: 40238
diff changeset
   422
774df7c59508 report Name_Space.declare/define, relatively to context;
wenzelm
parents: 40238
diff changeset
   423
fun add_def ctxt unchecked overloaded (b, prop) thy =
24980
16a74cfca971 added elim_implies (more convenient argument order);
wenzelm
parents: 24948
diff changeset
   424
  let
42375
774df7c59508 report Name_Space.declare/define, relatively to context;
wenzelm
parents: 40238
diff changeset
   425
    val _ = Sign.no_vars ctxt prop;
35988
76ca601c941e disallow premises in primitive Theory.add_def -- handle in Thm.add_def;
wenzelm
parents: 35985
diff changeset
   426
    val prems = map (Thm.cterm_of thy) (Logic.strip_imp_prems prop);
76ca601c941e disallow premises in primitive Theory.add_def -- handle in Thm.add_def;
wenzelm
parents: 35985
diff changeset
   427
    val (_, recover, concl') = stripped_sorts thy (Logic.strip_imp_concl prop);
36106
19deea200358 Thm.add_axiom/add_def: return internal name of foundational axiom;
wenzelm
parents: 35988
diff changeset
   428
42375
774df7c59508 report Name_Space.declare/define, relatively to context;
wenzelm
parents: 40238
diff changeset
   429
    val thy' = Theory.add_def ctxt unchecked overloaded (b, concl') thy;
36106
19deea200358 Thm.add_axiom/add_def: return internal name of foundational axiom;
wenzelm
parents: 35988
diff changeset
   430
    val axm_name = Sign.full_name thy' b;
19deea200358 Thm.add_axiom/add_def: return internal name of foundational axiom;
wenzelm
parents: 35988
diff changeset
   431
    val axm' = Thm.axiom thy' axm_name;
35988
76ca601c941e disallow premises in primitive Theory.add_def -- handle in Thm.add_def;
wenzelm
parents: 35985
diff changeset
   432
    val thm =
76ca601c941e disallow premises in primitive Theory.add_def -- handle in Thm.add_def;
wenzelm
parents: 35985
diff changeset
   433
      Thm.instantiate (recover, []) axm'
76ca601c941e disallow premises in primitive Theory.add_def -- handle in Thm.add_def;
wenzelm
parents: 35985
diff changeset
   434
      |> unvarify_global
76ca601c941e disallow premises in primitive Theory.add_def -- handle in Thm.add_def;
wenzelm
parents: 35985
diff changeset
   435
      |> fold_rev Thm.implies_intr prems;
36106
19deea200358 Thm.add_axiom/add_def: return internal name of foundational axiom;
wenzelm
parents: 35988
diff changeset
   436
  in ((axm_name, thm), thy') end;
24980
16a74cfca971 added elim_implies (more convenient argument order);
wenzelm
parents: 24948
diff changeset
   437
42375
774df7c59508 report Name_Space.declare/define, relatively to context;
wenzelm
parents: 40238
diff changeset
   438
fun add_def_global unchecked overloaded arg thy =
774df7c59508 report Name_Space.declare/define, relatively to context;
wenzelm
parents: 40238
diff changeset
   439
  add_def (Syntax.init_pretty_global thy) unchecked overloaded arg thy;
774df7c59508 report Name_Space.declare/define, relatively to context;
wenzelm
parents: 40238
diff changeset
   440
27866
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   441
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   442
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   443
(** attributes **)
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   444
40238
edcdecd55655 type attribute is derived concept outside the kernel;
wenzelm
parents: 39133
diff changeset
   445
(*attributes subsume any kind of rules or context modifiers*)
45375
7fe19930dfc9 more explicit representation of rule_attribute vs. declaration_attribute vs. mixed_attribute;
wenzelm
parents: 43780
diff changeset
   446
type attribute = Context.generic * thm -> Context.generic option * thm option;
40238
edcdecd55655 type attribute is derived concept outside the kernel;
wenzelm
parents: 39133
diff changeset
   447
30210
225fa48756b2 added type binding and val empty_binding;
wenzelm
parents: 29579
diff changeset
   448
type binding = binding * attribute list;
225fa48756b2 added type binding and val empty_binding;
wenzelm
parents: 29579
diff changeset
   449
val empty_binding: binding = (Binding.empty, []);
225fa48756b2 added type binding and val empty_binding;
wenzelm
parents: 29579
diff changeset
   450
45375
7fe19930dfc9 more explicit representation of rule_attribute vs. declaration_attribute vs. mixed_attribute;
wenzelm
parents: 43780
diff changeset
   451
fun rule_attribute f (x, th) = (NONE, SOME (f x th));
7fe19930dfc9 more explicit representation of rule_attribute vs. declaration_attribute vs. mixed_attribute;
wenzelm
parents: 43780
diff changeset
   452
fun declaration_attribute f (x, th) = (SOME (f th x), NONE);
7fe19930dfc9 more explicit representation of rule_attribute vs. declaration_attribute vs. mixed_attribute;
wenzelm
parents: 43780
diff changeset
   453
fun mixed_attribute f (x, th) = let val (x', th') = f (x, th) in (SOME x', SOME th') end;
7fe19930dfc9 more explicit representation of rule_attribute vs. declaration_attribute vs. mixed_attribute;
wenzelm
parents: 43780
diff changeset
   454
46775
6287653e63ec canonical argument order for attribute application;
wenzelm
parents: 46497
diff changeset
   455
fun apply_attribute (att: attribute) th x =
54996
aee15e11ee73 check_hyps when attributes are applied;
wenzelm
parents: 54993
diff changeset
   456
  let val (x', th') = att (x, check_hyps x (Thm.transfer (Context.theory_of x) th))
46775
6287653e63ec canonical argument order for attribute application;
wenzelm
parents: 46497
diff changeset
   457
  in (the_default th th', the_default x x') end;
45375
7fe19930dfc9 more explicit representation of rule_attribute vs. declaration_attribute vs. mixed_attribute;
wenzelm
parents: 43780
diff changeset
   458
46775
6287653e63ec canonical argument order for attribute application;
wenzelm
parents: 46497
diff changeset
   459
fun attribute_declaration att th x = #2 (apply_attribute att th x);
27866
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   460
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   461
fun apply_attributes mk dest =
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   462
  let
46775
6287653e63ec canonical argument order for attribute application;
wenzelm
parents: 46497
diff changeset
   463
    fun app [] th x = (th, x)
6287653e63ec canonical argument order for attribute application;
wenzelm
parents: 46497
diff changeset
   464
      | app (att :: atts) th x = apply_attribute att th (mk x) ||> dest |-> app atts;
27866
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   465
  in app end;
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   466
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   467
val theory_attributes = apply_attributes Context.Theory Context.the_theory;
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   468
val proof_attributes = apply_attributes Context.Proof Context.the_proof;
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   469
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   470
fun no_attributes x = (x, []);
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   471
fun simple_fact x = [(x, [])];
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   472
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   473
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   474
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   475
(*** theorem tags ***)
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   476
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   477
(* add / delete tags *)
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   478
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   479
fun tag_rule tg = Thm.map_tags (insert (op =) tg);
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   480
fun untag_rule s = Thm.map_tags (filter_out (fn (s', _) => s = s'));
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   481
45375
7fe19930dfc9 more explicit representation of rule_attribute vs. declaration_attribute vs. mixed_attribute;
wenzelm
parents: 43780
diff changeset
   482
fun tag tg = rule_attribute (K (tag_rule tg));
7fe19930dfc9 more explicit representation of rule_attribute vs. declaration_attribute vs. mixed_attribute;
wenzelm
parents: 43780
diff changeset
   483
fun untag s = rule_attribute (K (untag_rule s));
27866
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   484
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   485
30342
d32daa6aba3c moved Thm.def_name(_optional) to more_thm.ML;
wenzelm
parents: 30210
diff changeset
   486
(* def_name *)
d32daa6aba3c moved Thm.def_name(_optional) to more_thm.ML;
wenzelm
parents: 30210
diff changeset
   487
d32daa6aba3c moved Thm.def_name(_optional) to more_thm.ML;
wenzelm
parents: 30210
diff changeset
   488
fun def_name c = c ^ "_def";
d32daa6aba3c moved Thm.def_name(_optional) to more_thm.ML;
wenzelm
parents: 30210
diff changeset
   489
d32daa6aba3c moved Thm.def_name(_optional) to more_thm.ML;
wenzelm
parents: 30210
diff changeset
   490
fun def_name_optional c "" = def_name c
d32daa6aba3c moved Thm.def_name(_optional) to more_thm.ML;
wenzelm
parents: 30210
diff changeset
   491
  | def_name_optional _ name = name;
d32daa6aba3c moved Thm.def_name(_optional) to more_thm.ML;
wenzelm
parents: 30210
diff changeset
   492
35238
18ae6ef02fe0 Thm.def_binding;
wenzelm
parents: 33713
diff changeset
   493
val def_binding = Binding.map_name def_name;
18ae6ef02fe0 Thm.def_binding;
wenzelm
parents: 33713
diff changeset
   494
30433
ce5138c92ca7 added def_binding_optional -- robust version of def_name_optional for bindings;
wenzelm
parents: 30342
diff changeset
   495
fun def_binding_optional b name =
35238
18ae6ef02fe0 Thm.def_binding;
wenzelm
parents: 33713
diff changeset
   496
  if Binding.is_empty name then def_binding b else name;
30433
ce5138c92ca7 added def_binding_optional -- robust version of def_name_optional for bindings;
wenzelm
parents: 30342
diff changeset
   497
30342
d32daa6aba3c moved Thm.def_name(_optional) to more_thm.ML;
wenzelm
parents: 30210
diff changeset
   498
27866
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   499
(* unofficial theorem names *)
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   500
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   501
fun the_name_hint thm = the (AList.lookup (op =) (Thm.get_tags thm) Markup.nameN);
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   502
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   503
val has_name_hint = can the_name_hint;
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   504
val get_name_hint = the_default "??.unknown" o try the_name_hint;
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   505
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   506
fun put_name_hint name = untag_rule Markup.nameN #> tag_rule (Markup.nameN, name);
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   507
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   508
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   509
(* theorem kinds *)
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   510
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   511
val theoremK = "theorem";
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   512
val lemmaK = "lemma";
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   513
val corollaryK = "corollary";
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   514
42473
aca720fb3936 mark thm tag "kind" as legacy;
wenzelm
parents: 42440
diff changeset
   515
fun legacy_get_kind thm = the_default "" (Properties.get (Thm.get_tags thm) Markup.kindN);
27866
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   516
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   517
fun kind_rule k = tag_rule (Markup.kindN, k) o untag_rule Markup.kindN;
45375
7fe19930dfc9 more explicit representation of rule_attribute vs. declaration_attribute vs. mixed_attribute;
wenzelm
parents: 43780
diff changeset
   518
fun kind k = rule_attribute (K (k <> "" ? kind_rule k));
27866
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   519
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   520
49011
9c68e43502ce some support for registering forked proofs within Proof.state, using its bottom context;
wenzelm
parents: 49010
diff changeset
   521
(* forked proofs *)
49010
72808e956879 tuned signature;
wenzelm
parents: 46861
diff changeset
   522
49062
7e31dfd99ce7 discontinued complicated/unreliable notion of recent proofs within context;
wenzelm
parents: 49058
diff changeset
   523
structure Proofs = Theory_Data
49010
72808e956879 tuned signature;
wenzelm
parents: 46861
diff changeset
   524
(
49062
7e31dfd99ce7 discontinued complicated/unreliable notion of recent proofs within context;
wenzelm
parents: 49058
diff changeset
   525
  type T = thm list;
7e31dfd99ce7 discontinued complicated/unreliable notion of recent proofs within context;
wenzelm
parents: 49058
diff changeset
   526
  val empty = [];
49010
72808e956879 tuned signature;
wenzelm
parents: 46861
diff changeset
   527
  fun extend _ = empty;
72808e956879 tuned signature;
wenzelm
parents: 46861
diff changeset
   528
  fun merge _ = empty;
72808e956879 tuned signature;
wenzelm
parents: 46861
diff changeset
   529
);
72808e956879 tuned signature;
wenzelm
parents: 46861
diff changeset
   530
49062
7e31dfd99ce7 discontinued complicated/unreliable notion of recent proofs within context;
wenzelm
parents: 49058
diff changeset
   531
fun register_proofs more_thms = Proofs.map (fn thms => fold cons more_thms thms);
7e31dfd99ce7 discontinued complicated/unreliable notion of recent proofs within context;
wenzelm
parents: 49058
diff changeset
   532
val join_theory_proofs = Thm.join_proofs o rev o Proofs.get;
49010
72808e956879 tuned signature;
wenzelm
parents: 46861
diff changeset
   533
72808e956879 tuned signature;
wenzelm
parents: 46861
diff changeset
   534
22362
6470ce514b6e Further operations on type thm, outside the inference kernel.
wenzelm
parents:
diff changeset
   535
open Thm;
6470ce514b6e Further operations on type thm, outside the inference kernel.
wenzelm
parents:
diff changeset
   536
6470ce514b6e Further operations on type thm, outside the inference kernel.
wenzelm
parents:
diff changeset
   537
end;
6470ce514b6e Further operations on type thm, outside the inference kernel.
wenzelm
parents:
diff changeset
   538
32842
98702c579ad0 added Ctermtab, cterm_cache, thm_cache;
wenzelm
parents: 32279
diff changeset
   539
structure Basic_Thm: BASIC_THM = Thm;
98702c579ad0 added Ctermtab, cterm_cache, thm_cache;
wenzelm
parents: 32279
diff changeset
   540
open Basic_Thm;
23170
94e9413bd7fc made aconvc pervasive;
wenzelm
parents: 23169
diff changeset
   541