changeset 61337 | 4645502c3c64 |
parent 60770 | 240563fbf41d |
child 61798 | 27f3c10b0b50 |
--- a/src/ZF/ex/misc.thy Tue Oct 06 13:31:44 2015 +0200 +++ b/src/ZF/ex/misc.thy Tue Oct 06 15:14:28 2015 +0200 @@ -44,7 +44,7 @@ by (blast intro!: equalityI) text\<open>trivial example of term synthesis: apparently hard for some provers!\<close> -schematic_lemma "a \<noteq> b ==> a:?X & b \<notin> ?X" +schematic_goal "a \<noteq> b ==> a:?X & b \<notin> ?X" by blast text\<open>Nice blast benchmark. Proved in 0.3s; old tactics can't manage it!\<close>