--- a/src/HOLCF/IOA/meta_theory/TrivEx.ML Thu Apr 22 10:56:37 1999 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,39 +0,0 @@
-(* Title: HOLCF/IOA/TrivEx.thy
- ID: $Id$
- Author: Olaf Mueller
- Copyright 1995 TU Muenchen
-
-Trivial Abstraction Example
-*)
-
-val prems = goal HOL.thy "(P ==> Q-->R) ==> P&Q --> R";
- by (fast_tac (claset() addDs prems) 1);
-qed "imp_conj_lemma";
-
-
-Goalw [is_abstraction_def]
-"is_abstraction h_abs C_ioa A_ioa";
-by (rtac conjI 1);
-(* ------------- start states ------------ *)
-by (simp_tac (simpset() addsimps
- [h_abs_def,starts_of_def,C_ioa_def,A_ioa_def]) 1);
-(* -------------- step case ---------------- *)
-by (REPEAT (rtac allI 1));
-by (rtac imp_conj_lemma 1);
-by (simp_tac (simpset() addsimps [trans_of_def,
- C_ioa_def,A_ioa_def,C_trans_def,A_trans_def])1);
-by (simp_tac (simpset() addsimps [h_abs_def]) 1);
-by (induct_tac "a" 1);
-by Auto_tac;
-qed"h_abs_is_abstraction";
-
-
-Goal "validIOA C_ioa (<>[] <%(n,a,m). n~=0>)";
-by (rtac AbsRuleT1 1);
-by (rtac h_abs_is_abstraction 1);
-by (rtac MC_result 1);
-by (abstraction_tac 1);
-by (asm_full_simp_tac (simpset() addsimps [h_abs_def]) 1);
-qed"TrivEx_abstraction";
-
-