changeset 18708 | 4b3dadb4fe33 |
parent 18523 | 9446cb8e1f65 |
child 18813 | fc35dcc2558b |
--- a/src/FOL/IFOL.thy Thu Jan 19 15:45:10 2006 +0100 +++ b/src/FOL/IFOL.thy Thu Jan 19 21:22:08 2006 +0100 @@ -194,9 +194,7 @@ and [Pure.elim 2] = allE notE' impE' and [Pure.intro] = exI disjI2 disjI1 -setup {* - [ContextRules.addSWrapper (fn tac => hyp_subst_tac ORELSE' tac)] -*} +setup {* ContextRules.addSWrapper (fn tac => hyp_subst_tac ORELSE' tac) *} lemma iff_not_sym: "~ (Q <-> P) ==> ~ (P <-> Q)"