changeset 27734 | dcec1c564f05 |
parent 27572 | 67cd6ed76446 |
child 30510 | 4120fc59dd85 |
--- a/src/Provers/hypsubst.ML Mon Aug 04 21:24:19 2008 +0200 +++ b/src/Provers/hypsubst.ML Mon Aug 04 22:55:00 2008 +0200 @@ -62,7 +62,7 @@ exception EQ_VAR; -val meta_subst = @{lemma "PROP P t ==> PROP prop (x == t ==> PROP P x)" +val meta_subst = @{lemma "PROP P t \<Longrightarrow> PROP prop (x \<equiv> t \<Longrightarrow> PROP P x)" by (unfold prop_def)} (** Simple version: Just subtitute one hypothesis, specified by index k **)