changeset 3018 | e65b60b28341 |
parent 2985 | 824e18a114c9 |
--- a/src/HOL/ex/LList.ML Wed Apr 23 11:00:48 1997 +0200 +++ b/src/HOL/ex/LList.ML Wed Apr 23 11:02:19 1997 +0200 @@ -649,7 +649,7 @@ goalw thy [llistD_Fun_def, prod_fun_def] "!!A B. A<=B ==> llistD_Fun A <= llistD_Fun B"; by (Auto_tac()); -br image_eqI 1; +by (rtac image_eqI 1); by (fast_tac (!claset addss (!simpset)) 1); by (blast_tac (!claset addIs [impOfSubs LListD_Fun_mono]) 1); qed "llistD_Fun_mono";