src/Pure/more_thm.ML
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Tue, 22 Oct 2019 20:08:25 +0200
changeset 70922 539dfd4c166b
parent 70915 bd4d37edfee4
child 71006 41685289b8eb
permissions -rw-r--r--
more conservative type names, e.g. relevant for Isabelle/MMT export;
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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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  val show_consts: bool Config.T
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  val show_hyps: bool Config.T
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  val show_tags: bool Config.T
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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 eq_ctyp: ctyp * ctyp -> bool
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  val aconvc: cterm * cterm -> bool
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  val add_tvars: thm -> ctyp list -> ctyp list
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  val add_frees: thm -> cterm list -> cterm list
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  val add_vars: thm -> cterm list -> cterm list
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  val dest_funT: ctyp -> ctyp * ctyp
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  val strip_type: ctyp -> ctyp list * ctyp
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  val all_name: Proof.context -> string * cterm -> cterm -> cterm
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  val all: Proof.context -> 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 fast_term_ord: cterm ord
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  val term_ord: cterm ord
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  val thm_ord: thm ord
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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: theory -> 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 is_dummy: thm -> bool
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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 declare_term_sorts: term -> Proof.context -> Proof.context
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  val extra_shyps': Proof.context -> thm -> sort list
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  val check_shyps: Proof.context -> thm -> thm
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  val weaken_sorts': Proof.context -> cterm -> cterm
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  val elim_implies: thm -> thm -> thm
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  val forall_intr_name: string * cterm -> 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 instantiate_frees: ((string * sort) * ctyp) list * ((string * typ) * cterm) list -> thm -> thm
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  val instantiate': ctyp option list -> cterm option list -> thm -> thm
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  val forall_intr_frees: thm -> thm
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  val unvarify_global: theory -> thm -> thm
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  val unvarify_axiom: theory -> string -> thm
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  val rename_params_rule: string list * int -> thm -> thm
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  val rename_boundvars: term -> term -> 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: Defs.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 tag_rule: string * string -> thm -> thm
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  val untag_rule: string -> thm -> thm
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  val is_free_dummy: thm -> bool
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  val tag_free_dummy: thm -> thm
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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 make_def_binding: bool -> 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 legacy_get_kind: thm -> string
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  val kind_rule: string -> thm -> thm
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  val rule_attribute: thm list -> (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: string * string -> attribute
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  val untag: string -> attribute
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  val kind: string -> attribute
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  val reconstruct_proof_of: thm -> Proofterm.proof
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  val standard_proof_of: {full: bool, expand_name: Proofterm.thm_header -> string option} ->
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    thm -> Proofterm.proof
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  val register_proofs: thm list lazy -> theory -> theory
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  val consolidate_theory: theory -> unit
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  val show_consts: bool Config.T
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  val show_hyps: bool Config.T
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  val show_tags: bool Config.T
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  val pretty_thm_raw: Proof.context -> {quote: bool, show_hyps: bool} -> thm -> Pretty.T
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  val pretty_thm: Proof.context -> thm -> Pretty.T
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  val pretty_thm_item: Proof.context -> thm -> Pretty.T
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  val pretty_thm_global: theory -> thm -> Pretty.T
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  val string_of_thm: Proof.context -> thm -> string
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  val string_of_thm_global: theory -> thm -> string
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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 ctyps and cterms *)
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val eq_ctyp = op = o apply2 Thm.typ_of;
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val op aconvc = op aconv o apply2 Thm.term_of;
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val add_tvars = Thm.fold_atomic_ctyps (fn a => is_TVar (Thm.typ_of a) ? insert eq_ctyp a);
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val add_frees = Thm.fold_atomic_cterms (fn a => is_Free (Thm.term_of a) ? insert (op aconvc) a);
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val add_vars = Thm.fold_atomic_cterms (fn a => is_Var (Thm.term_of a) ? insert (op aconvc) a);
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(* ctyp operations *)
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fun dest_funT cT =
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  (case Thm.typ_of cT of
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    Type ("fun", _) => let val [A, B] = Thm.dest_ctyp cT in (A, B) end
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  | T => raise TYPE ("dest_funT", [T], []));
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(* ctyp version of strip_type: maps  [T1,...,Tn]--->T  to   ([T1,T2,...,Tn], T) *)
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fun strip_type cT =
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  (case Thm.typ_of cT of
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    Type ("fun", _) =>
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      let
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        val (cT1, cT2) = dest_funT cT;
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        val (cTs, cT') = strip_type cT2
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      in (cT1 :: cTs, cT') end
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  | _ => ([], cT));
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(* cterm operations *)
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fun all_name ctxt (x, t) A =
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  let
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    val T = Thm.typ_of_cterm t;
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    val all_const = Thm.cterm_of ctxt (Const ("Pure.all", (T --> propT) --> propT));
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  in Thm.apply all_const (Thm.lambda_name (x, t) A) end;
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fun all ctxt t A = all_name ctxt ("", 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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(* certified term order *)
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val fast_term_ord = Term_Ord.fast_term_ord o apply2 Thm.term_of;
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val term_ord = Term_Ord.term_ord o apply2 Thm.term_of;
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(* thm order: ignores theory context! *)
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val thm_ord =
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  Term_Ord.fast_term_ord o apply2 Thm.prop_of
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  <<< list_ord (prod_ord Term_Ord.fast_term_ord Term_Ord.fast_term_ord) o apply2 Thm.tpairs_of
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  <<< list_ord Term_Ord.fast_term_ord o apply2 Thm.hyps_of
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  <<< list_ord Term_Ord.sort_ord o apply2 Thm.shyps_of;
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(* tables and caches *)
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structure Ctermtab = Table(type key = cterm val ord = fast_term_ord);
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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 apply2 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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  Context.eq_thy_id (apply2 Thm.theory_id ths) andalso
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  op = (apply2 Thm.maxidx_of ths) andalso
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  op = (apply2 Thm.get_tags ths);
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(* pattern equivalence *)
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fun equiv_thm thy ths =
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  Pattern.equiv thy (apply2 (Thm.full_prop_of o Thm.transfer thy) ths);
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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.global_ctyp_of thy (TVar ((Name.aT, 0), [c])), c);
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fun of_sort (T, S) = map (fn c => Thm.of_class (T, c)) S;
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(* misc operations *)
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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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(* collections of theorems in canonical order *)
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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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val full_rules = Item_Net.init eq_thm_prop (single o Thm.full_prop_of);
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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);
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(** declared hyps and sort hyps **)
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structure Hyps = Proof_Data
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(
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  type T = {checked_hyps: bool, hyps: Termtab.set, shyps: sort Ord_List.T};
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  fun init _ : T = {checked_hyps = true, hyps = Termtab.empty, shyps = []};
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);
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fun map_hyps f = Hyps.map (fn {checked_hyps, hyps, shyps} =>
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  let val (checked_hyps', hyps', shyps') = f (checked_hyps, hyps, shyps)
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  in {checked_hyps = checked_hyps', hyps = hyps', shyps = shyps'} end);
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   287
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   288
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   289
(* hyps *)
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   290
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fun declare_hyps raw_ct ctxt = ctxt |> map_hyps (fn (checked_hyps, hyps, shyps) =>
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   292
  let
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   293
    val ct = Thm.transfer_cterm (Proof_Context.theory_of ctxt) raw_ct;
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    val hyps' = Termtab.update (Thm.term_of ct, ()) hyps;
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   295
  in (checked_hyps, hyps', shyps) end);
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   296
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fun assume_hyps ct ctxt = (Thm.assume ct, declare_hyps ct ctxt);
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   298
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   299
val unchecked_hyps = map_hyps (fn (_, hyps, shyps) => (false, hyps, shyps));
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   300
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   301
fun restore_hyps ctxt =
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   302
  map_hyps (fn (_, hyps, shyps) => (#checked_hyps (Hyps.get ctxt), hyps, shyps));
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   303
55633
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   304
fun undeclared_hyps context th =
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   305
  Thm.hyps_of th
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   306
  |> filter_out
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   307
    (case context of
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   308
      Context.Theory _ => K false
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   309
    | Context.Proof ctxt =>
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   310
        (case Hyps.get ctxt of
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   311
          {checked_hyps = false, ...} => K true
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   312
        | {hyps, ...} => Termtab.defined hyps));
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   313
54993
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   314
fun check_hyps context th =
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   315
  (case undeclared_hyps context th of
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   316
    [] => th
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   317
  | undeclared =>
61263
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   318
      error (Pretty.string_of (Pretty.big_list "Undeclared hyps:"
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   319
        (map (Pretty.item o single o Syntax.pretty_term (Syntax.init_pretty context)) undeclared))));
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   320
da70ab8531f4 more elementary management of declared hyps, below structure Assumption;
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   321
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   322
(* shyps *)
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   323
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   324
fun declare_term_sorts t =
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   325
  map_hyps (fn (checked_hyps, hyps, shyps) =>
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   326
    (checked_hyps, hyps, Sorts.insert_term t shyps));
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   327
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   328
fun extra_shyps' ctxt th =
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   329
  Sorts.subtract (#shyps (Hyps.get ctxt)) (Thm.extra_shyps th);
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   330
61508
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   331
fun check_shyps ctxt raw_th =
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   332
  let
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   333
    val th = Thm.strip_shyps raw_th;
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   334
    val extra_shyps = extra_shyps' ctxt th;
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   335
  in
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358dfae15d83 print thm wrt. local shyps (from full proof context);
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   336
    if null extra_shyps then th
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   337
    else error (Pretty.string_of (Pretty.block (Pretty.str "Pending sort hypotheses:" ::
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   338
      Pretty.brk 1 :: Pretty.commas (map (Syntax.pretty_sort ctxt) extra_shyps))))
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   339
  end;
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   340
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   341
val weaken_sorts' = Thm.weaken_sorts o #shyps o Hyps.get;
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   342
2c7e2ae6173d clarified modules;
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   343
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   344
24980
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   345
(** basic derived rules **)
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   346
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   347
(*Elimination of implication
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5348bea4accd eliminated ASCII syntax from Pure bootstrap;
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   348
  A    A \<Longrightarrow> B
24980
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   349
  ------------
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   350
        B
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   351
*)
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   352
fun elim_implies thA thAB = Thm.implies_elim thAB thA;
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   353
26653
60e0cf6bef89 Thm.forall_elim_var(s);
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   354
61339
93883c825062 added Thm.forall_intr_name;
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   355
(* forall_intr_name *)
93883c825062 added Thm.forall_intr_name;
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   356
93883c825062 added Thm.forall_intr_name;
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   357
fun forall_intr_name (a, x) th =
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   358
  let
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   359
    val th' = Thm.forall_intr x th;
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   360
    val prop' = (case Thm.prop_of th' of all $ Abs (_, T, b) => all $ Abs (a, T, b));
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   361
  in Thm.renamed_prop prop' th' end;
93883c825062 added Thm.forall_intr_name;
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   362
93883c825062 added Thm.forall_intr_name;
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   363
26653
60e0cf6bef89 Thm.forall_elim_var(s);
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   364
(* forall_elim_var(s) *)
60e0cf6bef89 Thm.forall_elim_var(s);
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   365
60e0cf6bef89 Thm.forall_elim_var(s);
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   366
local
60e0cf6bef89 Thm.forall_elim_var(s);
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   367
60951
b70c4db3874f produce certified vars without access to theory_of_thm, and without context;
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   368
fun dest_all ct =
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   369
  (case Thm.term_of ct of
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   370
    Const ("Pure.all", _) $ Abs (a, _, _) =>
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   371
      let val (x, ct') = Thm.dest_abs NONE (Thm.dest_arg ct)
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diff changeset
   372
      in SOME ((a, Thm.ctyp_of_cterm x), ct') end
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diff changeset
   373
  | _ => NONE);
b70c4db3874f produce certified vars without access to theory_of_thm, and without context;
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diff changeset
   374
b70c4db3874f produce certified vars without access to theory_of_thm, and without context;
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   375
fun dest_all_list ct =
b70c4db3874f produce certified vars without access to theory_of_thm, and without context;
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diff changeset
   376
  (case dest_all ct of
b70c4db3874f produce certified vars without access to theory_of_thm, and without context;
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diff changeset
   377
    NONE => []
b70c4db3874f produce certified vars without access to theory_of_thm, and without context;
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diff changeset
   378
  | SOME (v, ct') => v :: dest_all_list ct');
b70c4db3874f produce certified vars without access to theory_of_thm, and without context;
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diff changeset
   379
b70c4db3874f produce certified vars without access to theory_of_thm, and without context;
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diff changeset
   380
fun forall_elim_vars_list vars i th =
26653
60e0cf6bef89 Thm.forall_elim_var(s);
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diff changeset
   381
  let
60950
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diff changeset
   382
    val used =
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diff changeset
   383
      (Thm.fold_terms o Term.fold_aterms)
wenzelm
parents: 60948
diff changeset
   384
        (fn Var ((x, j), _) => if i = j then insert (op =) x else I | _ => I) th [];
60951
b70c4db3874f produce certified vars without access to theory_of_thm, and without context;
wenzelm
parents: 60950
diff changeset
   385
    val vars' = (Name.variant_list used (map #1 vars), vars)
b70c4db3874f produce certified vars without access to theory_of_thm, and without context;
wenzelm
parents: 60950
diff changeset
   386
      |> ListPair.map (fn (x, (_, T)) => Thm.var ((x, i), T));
b70c4db3874f produce certified vars without access to theory_of_thm, and without context;
wenzelm
parents: 60950
diff changeset
   387
  in fold Thm.forall_elim vars' th end;
26653
60e0cf6bef89 Thm.forall_elim_var(s);
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parents: 26628
diff changeset
   388
60e0cf6bef89 Thm.forall_elim_var(s);
wenzelm
parents: 26628
diff changeset
   389
in
60e0cf6bef89 Thm.forall_elim_var(s);
wenzelm
parents: 26628
diff changeset
   390
60950
wenzelm
parents: 60948
diff changeset
   391
fun forall_elim_vars i th =
60951
b70c4db3874f produce certified vars without access to theory_of_thm, and without context;
wenzelm
parents: 60950
diff changeset
   392
  forall_elim_vars_list (dest_all_list (Thm.cprop_of th)) i th;
26653
60e0cf6bef89 Thm.forall_elim_var(s);
wenzelm
parents: 26628
diff changeset
   393
33697
wenzelm
parents: 33666
diff changeset
   394
fun forall_elim_var i th =
60950
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parents: 60948
diff changeset
   395
  let
wenzelm
parents: 60948
diff changeset
   396
    val vars =
60951
b70c4db3874f produce certified vars without access to theory_of_thm, and without context;
wenzelm
parents: 60950
diff changeset
   397
      (case dest_all (Thm.cprop_of th) of
b70c4db3874f produce certified vars without access to theory_of_thm, and without context;
wenzelm
parents: 60950
diff changeset
   398
        SOME (v, _) => [v]
b70c4db3874f produce certified vars without access to theory_of_thm, and without context;
wenzelm
parents: 60950
diff changeset
   399
      | NONE => raise THM ("forall_elim_var", i, [th]));
b70c4db3874f produce certified vars without access to theory_of_thm, and without context;
wenzelm
parents: 60950
diff changeset
   400
  in forall_elim_vars_list vars i th end;
26653
60e0cf6bef89 Thm.forall_elim_var(s);
wenzelm
parents: 26628
diff changeset
   401
60e0cf6bef89 Thm.forall_elim_var(s);
wenzelm
parents: 26628
diff changeset
   402
end;
60e0cf6bef89 Thm.forall_elim_var(s);
wenzelm
parents: 26628
diff changeset
   403
60e0cf6bef89 Thm.forall_elim_var(s);
wenzelm
parents: 26628
diff changeset
   404
67698
67caf783b9ee explicit operations to instantiate frees: typ, term, thm, morphism;
wenzelm
parents: 67671
diff changeset
   405
(* instantiate frees *)
67caf783b9ee explicit operations to instantiate frees: typ, term, thm, morphism;
wenzelm
parents: 67671
diff changeset
   406
67caf783b9ee explicit operations to instantiate frees: typ, term, thm, morphism;
wenzelm
parents: 67671
diff changeset
   407
fun instantiate_frees ([], []) th = th
67caf783b9ee explicit operations to instantiate frees: typ, term, thm, morphism;
wenzelm
parents: 67671
diff changeset
   408
  | instantiate_frees (instT, inst) th =
67caf783b9ee explicit operations to instantiate frees: typ, term, thm, morphism;
wenzelm
parents: 67671
diff changeset
   409
      let
67caf783b9ee explicit operations to instantiate frees: typ, term, thm, morphism;
wenzelm
parents: 67671
diff changeset
   410
        val idx = Thm.maxidx_of th + 1;
67caf783b9ee explicit operations to instantiate frees: typ, term, thm, morphism;
wenzelm
parents: 67671
diff changeset
   411
        fun index ((a, A), b) = (((a, idx), A), b);
67caf783b9ee explicit operations to instantiate frees: typ, term, thm, morphism;
wenzelm
parents: 67671
diff changeset
   412
        val insts = (map index instT, map index inst);
67caf783b9ee explicit operations to instantiate frees: typ, term, thm, morphism;
wenzelm
parents: 67671
diff changeset
   413
        val frees = (map (#1 o #1) instT, map (#1 o #1) inst);
67caf783b9ee explicit operations to instantiate frees: typ, term, thm, morphism;
wenzelm
parents: 67671
diff changeset
   414
67caf783b9ee explicit operations to instantiate frees: typ, term, thm, morphism;
wenzelm
parents: 67671
diff changeset
   415
        val hyps = Thm.chyps_of th;
67caf783b9ee explicit operations to instantiate frees: typ, term, thm, morphism;
wenzelm
parents: 67671
diff changeset
   416
        val inst_cterm =
67caf783b9ee explicit operations to instantiate frees: typ, term, thm, morphism;
wenzelm
parents: 67671
diff changeset
   417
          Thm.generalize_cterm frees idx #>
67caf783b9ee explicit operations to instantiate frees: typ, term, thm, morphism;
wenzelm
parents: 67671
diff changeset
   418
          Thm.instantiate_cterm insts;
67caf783b9ee explicit operations to instantiate frees: typ, term, thm, morphism;
wenzelm
parents: 67671
diff changeset
   419
      in
67caf783b9ee explicit operations to instantiate frees: typ, term, thm, morphism;
wenzelm
parents: 67671
diff changeset
   420
        th
67caf783b9ee explicit operations to instantiate frees: typ, term, thm, morphism;
wenzelm
parents: 67671
diff changeset
   421
        |> fold_rev Thm.implies_intr hyps
67caf783b9ee explicit operations to instantiate frees: typ, term, thm, morphism;
wenzelm
parents: 67671
diff changeset
   422
        |> Thm.generalize frees idx
67caf783b9ee explicit operations to instantiate frees: typ, term, thm, morphism;
wenzelm
parents: 67671
diff changeset
   423
        |> Thm.instantiate insts
67caf783b9ee explicit operations to instantiate frees: typ, term, thm, morphism;
wenzelm
parents: 67671
diff changeset
   424
        |> fold (elim_implies o Thm.assume o inst_cterm) hyps
67caf783b9ee explicit operations to instantiate frees: typ, term, thm, morphism;
wenzelm
parents: 67671
diff changeset
   425
      end;
67caf783b9ee explicit operations to instantiate frees: typ, term, thm, morphism;
wenzelm
parents: 67671
diff changeset
   426
67caf783b9ee explicit operations to instantiate frees: typ, term, thm, morphism;
wenzelm
parents: 67671
diff changeset
   427
60801
7664e0916eec tuned signature;
wenzelm
parents: 60642
diff changeset
   428
(* instantiate by left-to-right occurrence of variables *)
7664e0916eec tuned signature;
wenzelm
parents: 60642
diff changeset
   429
7664e0916eec tuned signature;
wenzelm
parents: 60642
diff changeset
   430
fun instantiate' cTs cts thm =
7664e0916eec tuned signature;
wenzelm
parents: 60642
diff changeset
   431
  let
7664e0916eec tuned signature;
wenzelm
parents: 60642
diff changeset
   432
    fun err msg =
7664e0916eec tuned signature;
wenzelm
parents: 60642
diff changeset
   433
      raise TYPE ("instantiate': " ^ msg,
7664e0916eec tuned signature;
wenzelm
parents: 60642
diff changeset
   434
        map_filter (Option.map Thm.typ_of) cTs,
7664e0916eec tuned signature;
wenzelm
parents: 60642
diff changeset
   435
        map_filter (Option.map Thm.term_of) cts);
7664e0916eec tuned signature;
wenzelm
parents: 60642
diff changeset
   436
7664e0916eec tuned signature;
wenzelm
parents: 60642
diff changeset
   437
    fun zip_vars xs ys =
7664e0916eec tuned signature;
wenzelm
parents: 60642
diff changeset
   438
      zip_options xs ys handle ListPair.UnequalLengths =>
7664e0916eec tuned signature;
wenzelm
parents: 60642
diff changeset
   439
        err "more instantiations than variables in thm";
7664e0916eec tuned signature;
wenzelm
parents: 60642
diff changeset
   440
7664e0916eec tuned signature;
wenzelm
parents: 60642
diff changeset
   441
    val thm' =
7664e0916eec tuned signature;
wenzelm
parents: 60642
diff changeset
   442
      Thm.instantiate ((zip_vars (rev (Thm.fold_terms Term.add_tvars thm [])) cTs), []) thm;
7664e0916eec tuned signature;
wenzelm
parents: 60642
diff changeset
   443
    val thm'' =
7664e0916eec tuned signature;
wenzelm
parents: 60642
diff changeset
   444
      Thm.instantiate ([], zip_vars (rev (Thm.fold_terms Term.add_vars thm' [])) cts) thm';
7664e0916eec tuned signature;
wenzelm
parents: 60642
diff changeset
   445
  in thm'' end;
7664e0916eec tuned signature;
wenzelm
parents: 60642
diff changeset
   446
7664e0916eec tuned signature;
wenzelm
parents: 60642
diff changeset
   447
35985
0bbf0d2348f9 moved Drule.forall_intr_frees to Thm.forall_intr_frees (in more_thm.ML, which is loaded before pure_thy.ML);
wenzelm
parents: 35857
diff changeset
   448
(* forall_intr_frees: generalization over all suitable Free variables *)
0bbf0d2348f9 moved Drule.forall_intr_frees to Thm.forall_intr_frees (in more_thm.ML, which is loaded before pure_thy.ML);
wenzelm
parents: 35857
diff changeset
   449
0bbf0d2348f9 moved Drule.forall_intr_frees to Thm.forall_intr_frees (in more_thm.ML, which is loaded before pure_thy.ML);
wenzelm
parents: 35857
diff changeset
   450
fun forall_intr_frees th =
0bbf0d2348f9 moved Drule.forall_intr_frees to Thm.forall_intr_frees (in more_thm.ML, which is loaded before pure_thy.ML);
wenzelm
parents: 35857
diff changeset
   451
  let
61041
wenzelm
parents: 61040
diff changeset
   452
    val fixed =
wenzelm
parents: 61040
diff changeset
   453
      fold Term.add_frees (Thm.terms_of_tpairs (Thm.tpairs_of th) @ Thm.hyps_of th) [];
60821
f7f4d5f7920e more direct access to atomic cterms;
wenzelm
parents: 60819
diff changeset
   454
    val frees =
f7f4d5f7920e more direct access to atomic cterms;
wenzelm
parents: 60819
diff changeset
   455
      Thm.fold_atomic_cterms (fn a =>
f7f4d5f7920e more direct access to atomic cterms;
wenzelm
parents: 60819
diff changeset
   456
        (case Thm.term_of a of
f7f4d5f7920e more direct access to atomic cterms;
wenzelm
parents: 60819
diff changeset
   457
          Free v => not (member (op =) fixed v) ? insert (op aconvc) a
f7f4d5f7920e more direct access to atomic cterms;
wenzelm
parents: 60819
diff changeset
   458
        | _ => I)) th [];
f7f4d5f7920e more direct access to atomic cterms;
wenzelm
parents: 60819
diff changeset
   459
  in fold Thm.forall_intr frees th end;
35985
0bbf0d2348f9 moved Drule.forall_intr_frees to Thm.forall_intr_frees (in more_thm.ML, which is loaded before pure_thy.ML);
wenzelm
parents: 35857
diff changeset
   460
0bbf0d2348f9 moved Drule.forall_intr_frees to Thm.forall_intr_frees (in more_thm.ML, which is loaded before pure_thy.ML);
wenzelm
parents: 35857
diff changeset
   461
35845
e5980f0ad025 renamed varify/unvarify operations to varify_global/unvarify_global to emphasize that these only work in a global situation;
wenzelm
parents: 35715
diff changeset
   462
(* unvarify_global: global schematic variables *)
26653
60e0cf6bef89 Thm.forall_elim_var(s);
wenzelm
parents: 26628
diff changeset
   463
60825
bacfb7c45d81 more explicit context;
wenzelm
parents: 60824
diff changeset
   464
fun unvarify_global thy th =
24980
16a74cfca971 added elim_implies (more convenient argument order);
wenzelm
parents: 24948
diff changeset
   465
  let
16a74cfca971 added elim_implies (more convenient argument order);
wenzelm
parents: 24948
diff changeset
   466
    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;
wenzelm
parents: 35715
diff changeset
   467
    val _ = map Logic.unvarify_global (prop :: Thm.hyps_of th)
24980
16a74cfca971 added elim_implies (more convenient argument order);
wenzelm
parents: 24948
diff changeset
   468
      handle TERM (msg, _) => raise THM (msg, 0, [th]);
16a74cfca971 added elim_implies (more convenient argument order);
wenzelm
parents: 24948
diff changeset
   469
32279
e40563627419 added certify_inst, certify_instantiate;
wenzelm
parents: 32198
diff changeset
   470
    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);
wenzelm
parents: 24948
diff changeset
   471
    val inst = rev (Term.add_vars prop []) |> map (fn ((a, i), T) =>
32279
e40563627419 added certify_inst, certify_instantiate;
wenzelm
parents: 32198
diff changeset
   472
      let val T' = Term_Subst.instantiateT instT T
60805
4cc49ead6e75 tuned signature;
wenzelm
parents: 60801
diff changeset
   473
      in (((a, i), T'), Thm.global_cterm_of thy (Free ((a, T')))) end);
4cc49ead6e75 tuned signature;
wenzelm
parents: 60801
diff changeset
   474
  in Thm.instantiate (map (apsnd (Thm.global_ctyp_of thy)) instT, inst) th end;
24980
16a74cfca971 added elim_implies (more convenient argument order);
wenzelm
parents: 24948
diff changeset
   475
60825
bacfb7c45d81 more explicit context;
wenzelm
parents: 60824
diff changeset
   476
fun unvarify_axiom thy = unvarify_global thy o Thm.axiom thy;
bacfb7c45d81 more explicit context;
wenzelm
parents: 60824
diff changeset
   477
26653
60e0cf6bef89 Thm.forall_elim_var(s);
wenzelm
parents: 26628
diff changeset
   478
59969
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   479
(* user renaming of parameters in a subgoal *)
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   480
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   481
(*The names, if distinct, are used for the innermost parameters of subgoal i;
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   482
  preceding parameters may be renamed to make all parameters distinct.*)
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   483
fun rename_params_rule (names, i) st =
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   484
  let
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   485
    val (_, Bs, Bi, C) = Thm.dest_state (st, i);
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   486
    val params = map #1 (Logic.strip_params Bi);
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   487
    val short = length params - length names;
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   488
    val names' =
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   489
      if short < 0 then error "More names than parameters in subgoal!"
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   490
      else Name.variant_list names (take short params) @ names;
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   491
    val free_names = Term.fold_aterms (fn Free (x, _) => insert (op =) x | _ => I) Bi [];
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   492
    val Bi' = Logic.list_rename_params names' Bi;
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   493
  in
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   494
    (case duplicates (op =) names of
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   495
      a :: _ => (warning ("Can't rename.  Bound variables not distinct: " ^ a); st)
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   496
    | [] =>
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   497
      (case inter (op =) names free_names of
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   498
        a :: _ => (warning ("Can't rename.  Bound/Free variable clash: " ^ a); st)
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   499
      | [] => Thm.renamed_prop (Logic.list_implies (Bs @ [Bi'], C)) st))
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   500
  end;
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   501
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   502
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   503
(* preservation of bound variable names *)
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   504
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   505
fun rename_boundvars pat obj th =
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   506
  (case Term.rename_abs pat obj (Thm.prop_of th) of
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   507
    NONE => th
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   508
  | SOME prop' => Thm.renamed_prop prop' th);
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   509
bcccad156236 explicitly checked alpha conversion -- actual renaming happens outside kernel;
wenzelm
parents: 59623
diff changeset
   510
24980
16a74cfca971 added elim_implies (more convenient argument order);
wenzelm
parents: 24948
diff changeset
   511
16a74cfca971 added elim_implies (more convenient argument order);
wenzelm
parents: 24948
diff changeset
   512
(** specification primitives **)
16a74cfca971 added elim_implies (more convenient argument order);
wenzelm
parents: 24948
diff changeset
   513
30342
d32daa6aba3c moved Thm.def_name(_optional) to more_thm.ML;
wenzelm
parents: 30210
diff changeset
   514
(* rules *)
d32daa6aba3c moved Thm.def_name(_optional) to more_thm.ML;
wenzelm
parents: 30210
diff changeset
   515
35855
e7d004b89ca8 add_axiom: axiomatize "unconstrained" version, with explicit of_class premises;
wenzelm
parents: 35853
diff changeset
   516
fun stripped_sorts thy t =
e7d004b89ca8 add_axiom: axiomatize "unconstrained" version, with explicit of_class premises;
wenzelm
parents: 35853
diff changeset
   517
  let
60642
48dd1cefb4ae simplified Thm.instantiate and derivatives: the LHS refers to non-certified variables -- this merely serves as index into already certified structures (or is ignored);
wenzelm
parents: 60367
diff changeset
   518
    val tfrees = rev (Term.add_tfrees t []);
70922
539dfd4c166b more conservative type names, e.g. relevant for Isabelle/MMT export;
wenzelm
parents: 70915
diff changeset
   519
    val tfrees' = map (fn a => (a, [])) (Name.variant_list [] (map #1 tfrees));
60642
48dd1cefb4ae simplified Thm.instantiate and derivatives: the LHS refers to non-certified variables -- this merely serves as index into already certified structures (or is ignored);
wenzelm
parents: 60367
diff changeset
   520
    val recover =
48dd1cefb4ae simplified Thm.instantiate and derivatives: the LHS refers to non-certified variables -- this merely serves as index into already certified structures (or is ignored);
wenzelm
parents: 60367
diff changeset
   521
      map2 (fn (a', S') => fn (a, S) => (((a', 0), S'), Thm.global_ctyp_of thy (TVar ((a, 0), S))))
48dd1cefb4ae simplified Thm.instantiate and derivatives: the LHS refers to non-certified variables -- this merely serves as index into already certified structures (or is ignored);
wenzelm
parents: 60367
diff changeset
   522
        tfrees' tfrees;
48dd1cefb4ae simplified Thm.instantiate and derivatives: the LHS refers to non-certified variables -- this merely serves as index into already certified structures (or is ignored);
wenzelm
parents: 60367
diff changeset
   523
    val strip = map (apply2 TFree) (tfrees ~~ tfrees');
35855
e7d004b89ca8 add_axiom: axiomatize "unconstrained" version, with explicit of_class premises;
wenzelm
parents: 35853
diff changeset
   524
    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
   525
  in (strip, recover, t') end;
e7d004b89ca8 add_axiom: axiomatize "unconstrained" version, with explicit of_class premises;
wenzelm
parents: 35853
diff changeset
   526
42375
774df7c59508 report Name_Space.declare/define, relatively to context;
wenzelm
parents: 40238
diff changeset
   527
fun add_axiom ctxt (b, prop) thy =
24980
16a74cfca971 added elim_implies (more convenient argument order);
wenzelm
parents: 24948
diff changeset
   528
  let
42375
774df7c59508 report Name_Space.declare/define, relatively to context;
wenzelm
parents: 40238
diff changeset
   529
    val _ = Sign.no_vars ctxt prop;
35855
e7d004b89ca8 add_axiom: axiomatize "unconstrained" version, with explicit of_class premises;
wenzelm
parents: 35853
diff changeset
   530
    val (strip, recover, prop') = stripped_sorts thy prop;
e7d004b89ca8 add_axiom: axiomatize "unconstrained" version, with explicit of_class premises;
wenzelm
parents: 35853
diff changeset
   531
    val constraints = map (fn (TFree (_, S), T) => (T, S)) strip;
60367
e201bd8973db clarified context;
wenzelm
parents: 60324
diff changeset
   532
    val of_sorts = maps (fn (T as TFree (_, S), _) => of_sort (Thm.ctyp_of ctxt T, S)) strip;
36106
19deea200358 Thm.add_axiom/add_def: return internal name of foundational axiom;
wenzelm
parents: 35988
diff changeset
   533
42375
774df7c59508 report Name_Space.declare/define, relatively to context;
wenzelm
parents: 40238
diff changeset
   534
    val thy' = thy
51316
dfe469293eb4 discontinued empty name bindings in 'axiomatization';
wenzelm
parents: 49062
diff changeset
   535
      |> 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
   536
    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
   537
    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
   538
    val thm =
76ca601c941e disallow premises in primitive Theory.add_def -- handle in Thm.add_def;
wenzelm
parents: 35985
diff changeset
   539
      Thm.instantiate (recover, []) axm'
60825
bacfb7c45d81 more explicit context;
wenzelm
parents: 60824
diff changeset
   540
      |> unvarify_global thy'
35988
76ca601c941e disallow premises in primitive Theory.add_def -- handle in Thm.add_def;
wenzelm
parents: 35985
diff changeset
   541
      |> fold elim_implies of_sorts;
36106
19deea200358 Thm.add_axiom/add_def: return internal name of foundational axiom;
wenzelm
parents: 35988
diff changeset
   542
  in ((axm_name, thm), thy') end;
24980
16a74cfca971 added elim_implies (more convenient argument order);
wenzelm
parents: 24948
diff changeset
   543
42375
774df7c59508 report Name_Space.declare/define, relatively to context;
wenzelm
parents: 40238
diff changeset
   544
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
   545
61261
ddb2da7cb2e4 more explicit Defs.context: use proper name spaces as far as possible;
wenzelm
parents: 61059
diff changeset
   546
fun add_def (context as (ctxt, _)) unchecked overloaded (b, prop) thy =
24980
16a74cfca971 added elim_implies (more convenient argument order);
wenzelm
parents: 24948
diff changeset
   547
  let
42375
774df7c59508 report Name_Space.declare/define, relatively to context;
wenzelm
parents: 40238
diff changeset
   548
    val _ = Sign.no_vars ctxt prop;
60367
e201bd8973db clarified context;
wenzelm
parents: 60324
diff changeset
   549
    val prems = map (Thm.cterm_of ctxt) (Logic.strip_imp_prems prop);
35988
76ca601c941e disallow premises in primitive Theory.add_def -- handle in Thm.add_def;
wenzelm
parents: 35985
diff changeset
   550
    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
   551
61261
ddb2da7cb2e4 more explicit Defs.context: use proper name spaces as far as possible;
wenzelm
parents: 61059
diff changeset
   552
    val thy' = Theory.add_def context unchecked overloaded (b, concl') thy;
36106
19deea200358 Thm.add_axiom/add_def: return internal name of foundational axiom;
wenzelm
parents: 35988
diff changeset
   553
    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
   554
    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
   555
    val thm =
76ca601c941e disallow premises in primitive Theory.add_def -- handle in Thm.add_def;
wenzelm
parents: 35985
diff changeset
   556
      Thm.instantiate (recover, []) axm'
60825
bacfb7c45d81 more explicit context;
wenzelm
parents: 60824
diff changeset
   557
      |> unvarify_global thy'
35988
76ca601c941e disallow premises in primitive Theory.add_def -- handle in Thm.add_def;
wenzelm
parents: 35985
diff changeset
   558
      |> fold_rev Thm.implies_intr prems;
36106
19deea200358 Thm.add_axiom/add_def: return internal name of foundational axiom;
wenzelm
parents: 35988
diff changeset
   559
  in ((axm_name, thm), thy') end;
24980
16a74cfca971 added elim_implies (more convenient argument order);
wenzelm
parents: 24948
diff changeset
   560
42375
774df7c59508 report Name_Space.declare/define, relatively to context;
wenzelm
parents: 40238
diff changeset
   561
fun add_def_global unchecked overloaded arg thy =
61262
7bd1eb4b056e tuned signature: eliminated pointless type Context.pretty;
wenzelm
parents: 61261
diff changeset
   562
  add_def (Defs.global_context thy) unchecked overloaded arg thy;
42375
774df7c59508 report Name_Space.declare/define, relatively to context;
wenzelm
parents: 40238
diff changeset
   563
27866
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   564
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   565
70443
a21a96eda033 clarified modules;
wenzelm
parents: 70404
diff changeset
   566
(** theorem tags **)
27866
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   567
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   568
(* add / delete tags *)
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   569
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   570
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
   571
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
   572
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   573
61852
d273c24b5776 tuned signature -- clarified modules;
wenzelm
parents: 61509
diff changeset
   574
(* free dummy thm -- for abstract closure *)
d273c24b5776 tuned signature -- clarified modules;
wenzelm
parents: 61509
diff changeset
   575
d273c24b5776 tuned signature -- clarified modules;
wenzelm
parents: 61509
diff changeset
   576
val free_dummyN = "free_dummy";
d273c24b5776 tuned signature -- clarified modules;
wenzelm
parents: 61509
diff changeset
   577
fun is_free_dummy thm = Properties.defined (Thm.get_tags thm) free_dummyN;
d273c24b5776 tuned signature -- clarified modules;
wenzelm
parents: 61509
diff changeset
   578
val tag_free_dummy = tag_rule (free_dummyN, "");
d273c24b5776 tuned signature -- clarified modules;
wenzelm
parents: 61509
diff changeset
   579
d273c24b5776 tuned signature -- clarified modules;
wenzelm
parents: 61509
diff changeset
   580
30342
d32daa6aba3c moved Thm.def_name(_optional) to more_thm.ML;
wenzelm
parents: 30210
diff changeset
   581
(* def_name *)
d32daa6aba3c moved Thm.def_name(_optional) to more_thm.ML;
wenzelm
parents: 30210
diff changeset
   582
d32daa6aba3c moved Thm.def_name(_optional) to more_thm.ML;
wenzelm
parents: 30210
diff changeset
   583
fun def_name c = c ^ "_def";
d32daa6aba3c moved Thm.def_name(_optional) to more_thm.ML;
wenzelm
parents: 30210
diff changeset
   584
d32daa6aba3c moved Thm.def_name(_optional) to more_thm.ML;
wenzelm
parents: 30210
diff changeset
   585
fun def_name_optional c "" = def_name c
d32daa6aba3c moved Thm.def_name(_optional) to more_thm.ML;
wenzelm
parents: 30210
diff changeset
   586
  | def_name_optional _ name = name;
d32daa6aba3c moved Thm.def_name(_optional) to more_thm.ML;
wenzelm
parents: 30210
diff changeset
   587
63041
cb495c4807b3 clarified def binding position: reset for implicit/derived binding, keep for explicit binding;
wenzelm
parents: 62093
diff changeset
   588
val def_binding = Binding.map_name def_name #> Binding.reset_pos;
cb495c4807b3 clarified def binding position: reset for implicit/derived binding, keep for explicit binding;
wenzelm
parents: 62093
diff changeset
   589
fun def_binding_optional b name = if Binding.is_empty name then def_binding b else name;
cb495c4807b3 clarified def binding position: reset for implicit/derived binding, keep for explicit binding;
wenzelm
parents: 62093
diff changeset
   590
fun make_def_binding cond b = if cond then def_binding b else Binding.empty;
62093
bd73a2279fcd more uniform treatment of package internals;
wenzelm
parents: 61853
diff changeset
   591
30342
d32daa6aba3c moved Thm.def_name(_optional) to more_thm.ML;
wenzelm
parents: 30210
diff changeset
   592
27866
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   593
(* unofficial theorem names *)
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   594
68036
4c9e79aeadf0 tuned -- avoid spurious exception trace for "the";
wenzelm
parents: 67778
diff changeset
   595
fun has_name_hint thm = AList.defined (op =) (Thm.get_tags thm) Markup.nameN;
27866
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   596
fun the_name_hint thm = the (AList.lookup (op =) (Thm.get_tags thm) Markup.nameN);
68036
4c9e79aeadf0 tuned -- avoid spurious exception trace for "the";
wenzelm
parents: 67778
diff changeset
   597
fun get_name_hint thm = if has_name_hint thm then the_name_hint thm else "??.unknown";
27866
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   598
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   599
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
   600
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   601
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   602
(* theorem kinds *)
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   603
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   604
val theoremK = "theorem";
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   605
42473
aca720fb3936 mark thm tag "kind" as legacy;
wenzelm
parents: 42440
diff changeset
   606
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
   607
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   608
fun kind_rule k = tag_rule (Markup.kindN, k) o untag_rule Markup.kindN;
61853
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   609
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   610
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   611
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   612
(** attributes **)
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   613
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   614
(*attributes subsume any kind of rules or context modifiers*)
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   615
type attribute = Context.generic * thm -> Context.generic option * thm option;
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   616
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   617
type binding = binding * attribute list;
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   618
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   619
fun rule_attribute ths f (x, th) =
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   620
  (NONE,
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   621
    (case find_first is_free_dummy (th :: ths) of
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   622
      SOME th' => SOME th'
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   623
    | NONE => SOME (f x th)));
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   624
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   625
fun declaration_attribute f (x, th) =
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   626
  (if is_free_dummy th then NONE else SOME (f th x), NONE);
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   627
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   628
fun mixed_attribute f (x, th) =
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   629
  let val (x', th') = f (x, th) in (SOME x', SOME th') end;
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   630
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   631
fun apply_attribute (att: attribute) th x =
67649
1e1782c1aedf tuned signature;
wenzelm
parents: 67559
diff changeset
   632
  let val (x', th') = att (x, check_hyps x (Thm.transfer'' x th))
61853
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   633
  in (the_default th th', the_default x x') end;
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   634
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   635
fun attribute_declaration att th x = #2 (apply_attribute att th x);
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   636
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   637
fun apply_attributes mk dest =
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   638
  let
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   639
    fun app [] th x = (th, x)
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   640
      | app (att :: atts) th x = apply_attribute att th (mk x) ||> dest |-> app atts;
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   641
  in app end;
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   642
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   643
val theory_attributes = apply_attributes Context.Theory Context.the_theory;
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   644
val proof_attributes = apply_attributes Context.Proof Context.the_proof;
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   645
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   646
fun no_attributes x = (x, []);
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   647
fun simple_fact x = [(x, [])];
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   648
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   649
fun tag tg = rule_attribute [] (K (tag_rule tg));
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   650
fun untag s = rule_attribute [] (K (untag_rule s));
fb7756087101 rule_attribute and declaration_attribute implicitly support abstract closure, but mixed_attribute implementations need to be aware of Thm.is_free_dummy;
wenzelm
parents: 61852
diff changeset
   651
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
   652
c721ea6e0eb4 moved basic thm operations from structure PureThy to Thm;
wenzelm
parents: 27255
diff changeset
   653
70443
a21a96eda033 clarified modules;
wenzelm
parents: 70404
diff changeset
   654
a21a96eda033 clarified modules;
wenzelm
parents: 70404
diff changeset
   655
(** proof terms **)
a21a96eda033 clarified modules;
wenzelm
parents: 70404
diff changeset
   656
70449
6e34025981be clarified global theory context;
wenzelm
parents: 70447
diff changeset
   657
fun reconstruct_proof_of thm =
6e34025981be clarified global theory context;
wenzelm
parents: 70447
diff changeset
   658
  Proofterm.reconstruct_proof (Thm.theory_of_thm thm) (Thm.prop_of thm) (Thm.proof_of thm);
70443
a21a96eda033 clarified modules;
wenzelm
parents: 70404
diff changeset
   659
70915
bd4d37edfee4 clarified expand_proof/expand_name: allow more detailed control via thm_header;
wenzelm
parents: 70914
diff changeset
   660
fun standard_proof_of {full, expand_name} thm =
70839
2136e4670ad2 clarified standard_proof_of: prefer expand_proof over somewhat adhoc strip_thm_proof;
wenzelm
parents: 70830
diff changeset
   661
  let val thy = Thm.theory_of_thm thm in
2136e4670ad2 clarified standard_proof_of: prefer expand_proof over somewhat adhoc strip_thm_proof;
wenzelm
parents: 70830
diff changeset
   662
    reconstruct_proof_of thm
70915
bd4d37edfee4 clarified expand_proof/expand_name: allow more detailed control via thm_header;
wenzelm
parents: 70914
diff changeset
   663
    |> Proofterm.expand_proof thy expand_name
70449
6e34025981be clarified global theory context;
wenzelm
parents: 70447
diff changeset
   664
    |> Proofterm.rew_proof thy
70443
a21a96eda033 clarified modules;
wenzelm
parents: 70404
diff changeset
   665
    |> Proofterm.no_thm_proofs
a21a96eda033 clarified modules;
wenzelm
parents: 70404
diff changeset
   666
    |> not full ? Proofterm.shrink_proof
a21a96eda033 clarified modules;
wenzelm
parents: 70404
diff changeset
   667
  end;
a21a96eda033 clarified modules;
wenzelm
parents: 70404
diff changeset
   668
a21a96eda033 clarified modules;
wenzelm
parents: 70404
diff changeset
   669
70444
56d73e7316c4 clarified context;
wenzelm
parents: 70443
diff changeset
   670
70443
a21a96eda033 clarified modules;
wenzelm
parents: 70404
diff changeset
   671
(** forked proofs **)
49010
72808e956879 tuned signature;
wenzelm
parents: 46861
diff changeset
   672
49062
7e31dfd99ce7 discontinued complicated/unreliable notion of recent proofs within context;
wenzelm
parents: 49058
diff changeset
   673
structure Proofs = Theory_Data
49010
72808e956879 tuned signature;
wenzelm
parents: 46861
diff changeset
   674
(
67671
857da80611ab support for lazy notes in global/local context and Element.Lazy_Notes: name binding and fact without attributes;
wenzelm
parents: 67649
diff changeset
   675
  type T = thm list lazy list;
49062
7e31dfd99ce7 discontinued complicated/unreliable notion of recent proofs within context;
wenzelm
parents: 49058
diff changeset
   676
  val empty = [];
49010
72808e956879 tuned signature;
wenzelm
parents: 46861
diff changeset
   677
  fun extend _ = empty;
72808e956879 tuned signature;
wenzelm
parents: 46861
diff changeset
   678
  fun merge _ = empty;
72808e956879 tuned signature;
wenzelm
parents: 46861
diff changeset
   679
);
72808e956879 tuned signature;
wenzelm
parents: 46861
diff changeset
   680
67671
857da80611ab support for lazy notes in global/local context and Element.Lazy_Notes: name binding and fact without attributes;
wenzelm
parents: 67649
diff changeset
   681
fun register_proofs ths =
857da80611ab support for lazy notes in global/local context and Element.Lazy_Notes: name binding and fact without attributes;
wenzelm
parents: 67649
diff changeset
   682
  (Proofs.map o cons) (Lazy.map_finished (map Thm.trim_context) ths);
61059
0306e209fa9e trim context for persistent storage;
wenzelm
parents: 61041
diff changeset
   683
64574
1134e4d5e5b7 consolidate nested thms with persistent result, for improved performance;
wenzelm
parents: 64568
diff changeset
   684
fun consolidate_theory thy =
67778
a25f9076a0b3 eliminated somewhat pointless parallelism (from 857da80611ab): usually hundreds of tasks with < 1ms each, also note that the enclosing join_theory happens within theory graph parallelism;
wenzelm
parents: 67725
diff changeset
   685
  rev (Proofs.get thy)
a25f9076a0b3 eliminated somewhat pointless parallelism (from 857da80611ab): usually hundreds of tasks with < 1ms each, also note that the enclosing join_theory happens within theory graph parallelism;
wenzelm
parents: 67725
diff changeset
   686
  |> maps (map (Thm.transfer thy) o Lazy.force)
a25f9076a0b3 eliminated somewhat pointless parallelism (from 857da80611ab): usually hundreds of tasks with < 1ms each, also note that the enclosing join_theory happens within theory graph parallelism;
wenzelm
parents: 67725
diff changeset
   687
  |> Thm.consolidate;
49010
72808e956879 tuned signature;
wenzelm
parents: 46861
diff changeset
   688
72808e956879 tuned signature;
wenzelm
parents: 46861
diff changeset
   689
61268
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   690
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   691
(** print theorems **)
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   692
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   693
(* options *)
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   694
69575
f77cc54f6d47 clarified signature: more types;
wenzelm
parents: 68036
diff changeset
   695
val show_consts = Config.declare_option_bool ("show_consts", \<^here>);
f77cc54f6d47 clarified signature: more types;
wenzelm
parents: 68036
diff changeset
   696
val show_hyps = Config.declare_bool ("show_hyps", \<^here>) (K false);
f77cc54f6d47 clarified signature: more types;
wenzelm
parents: 68036
diff changeset
   697
val show_tags = Config.declare_bool ("show_tags", \<^here>) (K false);
61268
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   698
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   699
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   700
(* pretty_thm etc. *)
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   701
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   702
fun pretty_tag (name, arg) = Pretty.strs [name, quote arg];
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   703
val pretty_tags = Pretty.list "[" "]" o map pretty_tag;
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   704
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   705
fun pretty_thm_raw ctxt {quote, show_hyps = show_hyps'} raw_th =
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   706
  let
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   707
    val show_tags = Config.get ctxt show_tags;
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   708
    val show_hyps = Config.get ctxt show_hyps;
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   709
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   710
    val th = raw_th
67649
1e1782c1aedf tuned signature;
wenzelm
parents: 67559
diff changeset
   711
      |> perhaps (try (Thm.transfer' ctxt))
61268
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   712
      |> perhaps (try Thm.strip_shyps);
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   713
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   714
    val hyps = if show_hyps then Thm.hyps_of th else undeclared_hyps (Context.Proof ctxt) th;
61509
358dfae15d83 print thm wrt. local shyps (from full proof context);
wenzelm
parents: 61508
diff changeset
   715
    val extra_shyps = extra_shyps' ctxt th;
61268
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   716
    val tags = Thm.get_tags th;
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   717
    val tpairs = Thm.tpairs_of th;
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   718
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   719
    val q = if quote then Pretty.quote else I;
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   720
    val prt_term = q o Syntax.pretty_term ctxt;
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   721
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   722
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   723
    val hlen = length extra_shyps + length hyps + length tpairs;
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   724
    val hsymbs =
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   725
      if hlen = 0 then []
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   726
      else if show_hyps orelse show_hyps' then
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   727
        [Pretty.brk 2, Pretty.list "[" "]"
70443
a21a96eda033 clarified modules;
wenzelm
parents: 70404
diff changeset
   728
          (map (q o Syntax.pretty_flexpair ctxt) tpairs @ map prt_term hyps @
61268
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   729
           map (Syntax.pretty_sort ctxt) extra_shyps)]
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   730
      else [Pretty.brk 2, Pretty.str ("[" ^ replicate_string hlen "." ^ "]")];
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   731
    val tsymbs =
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   732
      if null tags orelse not show_tags then []
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   733
      else [Pretty.brk 1, pretty_tags tags];
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   734
  in Pretty.block (prt_term (Thm.prop_of th) :: (hsymbs @ tsymbs)) end;
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   735
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   736
fun pretty_thm ctxt = pretty_thm_raw ctxt {quote = false, show_hyps = true};
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   737
fun pretty_thm_item ctxt th = Pretty.item [pretty_thm ctxt th];
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   738
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   739
fun pretty_thm_global thy =
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   740
  pretty_thm_raw (Syntax.init_pretty_global thy) {quote = false, show_hyps = false};
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   741
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   742
val string_of_thm = Pretty.string_of oo pretty_thm;
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   743
val string_of_thm_global = Pretty.string_of oo pretty_thm_global;
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   744
abe08fb15a12 moved remaining display.ML to more_thm.ML;
wenzelm
parents: 61263
diff changeset
   745
22362
6470ce514b6e Further operations on type thm, outside the inference kernel.
wenzelm
parents:
diff changeset
   746
open Thm;
6470ce514b6e Further operations on type thm, outside the inference kernel.
wenzelm
parents:
diff changeset
   747
6470ce514b6e Further operations on type thm, outside the inference kernel.
wenzelm
parents:
diff changeset
   748
end;
6470ce514b6e Further operations on type thm, outside the inference kernel.
wenzelm
parents:
diff changeset
   749
32842
98702c579ad0 added Ctermtab, cterm_cache, thm_cache;
wenzelm
parents: 32279
diff changeset
   750
structure Basic_Thm: BASIC_THM = Thm;
98702c579ad0 added Ctermtab, cterm_cache, thm_cache;
wenzelm
parents: 32279
diff changeset
   751
open Basic_Thm;