--- a/src/Pure/Isar/object_logic.ML Wed Jan 25 00:21:40 2006 +0100
+++ b/src/Pure/Isar/object_logic.ML Wed Jan 25 00:21:41 2006 +0100
@@ -17,11 +17,13 @@
val declare_atomize: attribute
val declare_rulify: attribute
val atomize_term: theory -> term -> term
- val atomize_cterm: theory -> cterm -> thm
+ val atomize_cterm: cterm -> thm
val atomize_thm: thm -> thm
val atomize_tac: int -> tactic
val full_atomize_tac: int -> tactic
val atomize_goal: int -> thm -> thm
+ val reverse_atomize_term: theory -> term -> term
+ val reverse_atomize_tac: int -> tactic
val rulify: thm -> thm
val rulify_no_asm: thm -> thm
val rule_format: attribute
@@ -121,6 +123,7 @@
(* maintain rules *)
val get_atomize = #1 o #2 o ObjectLogicData.get;
+val get_reverse_atomize = map Thm.symmetric o get_atomize;
val get_rulify = #2 o #2 o ObjectLogicData.get;
val declare_atomize =
@@ -142,7 +145,7 @@
fun atomize_term thy =
drop_judgment thy o MetaSimplifier.rewrite_term thy (get_atomize thy) [];
-fun atomize_cterm thy = Tactic.rewrite true (get_atomize thy);
+fun atomize_cterm ct = Tactic.rewrite true (get_atomize (Thm.theory_of_cterm ct)) ct;
fun atomize_thm th = rewrite_rule (get_atomize (Thm.theory_of_thm th)) th;
fun atomize_tac i st =
@@ -157,6 +160,12 @@
(case Seq.pull (atomize_tac i st) of NONE => st | SOME (st', _) => st');
+(* reverse atomize -- not necessarily the same as rulify! *)
+
+fun reverse_atomize_term thy = MetaSimplifier.rewrite_term thy (get_reverse_atomize thy) [];
+fun reverse_atomize_tac i st = rewrite_goal_tac (get_reverse_atomize (Thm.theory_of_thm st)) i st;
+
+
(* rulify *)
fun gen_rulify full thm =