src/HOL/IMPP/Misc.ML
changeset 8600 a466c687c726
parent 8177 e59e93ad85eb
child 10962 cda180b1e2e0
--- a/src/HOL/IMPP/Misc.ML	Tue Mar 28 12:28:24 2000 +0200
+++ b/src/HOL/IMPP/Misc.ML	Tue Mar 28 17:31:36 2000 +0200
@@ -13,8 +13,6 @@
 Goalw [update_def] "s[Loc Y::=s<Y>] = s";
 by (induct_tac "s" 1);
 by (simp_tac (simpset() addsimps [getlocs_def2]) 1);
-br ext 1;
-by (Simp_tac 1);
 qed "update_Loc_idem2";
 Addsimps[update_Loc_idem2];