# HG changeset patch # User nipkow # Date 1367373417 -7200 # Node ID ed847ce0b70cf7d6a2a49e7767e28fa22ed75a05 # Parent b7a0af870bfc0f555a33946757ae95a36b5172df tuned diff -r b7a0af870bfc -r ed847ce0b70c src/HOL/IMP/Abs_Int2.thy --- a/src/HOL/IMP/Abs_Int2.thy Tue Apr 30 21:30:36 2013 +0200 +++ b/src/HOL/IMP/Abs_Int2.thy Wed May 01 03:56:57 2013 +0200 @@ -38,7 +38,7 @@ lemma in_gamma_inf: "x : \ a1 \ x : \ a2 \ x : \(a1 \ a2)" by (metis IntI inter_gamma_subset_gamma_inf set_mp) -lemma gamma_inf[simp]: "\(a1 \ a2) = \ a1 \ \ a2" +lemma gamma_inf: "\(a1 \ a2) = \ a1 \ \ a2" by(rule equalityI[OF _ inter_gamma_subset_gamma_inf]) (metis inf_le1 inf_le2 le_inf_iff mono_gamma)