# HG changeset patch # User paulson # Date 887102850 -3600 # Node ID 67457d16cdbc478898e9f95c612f1ccb586af9b9 # Parent 122015efd4e1e8a32659be5ad473f8d804185d40 New Addsimps for Compl rules diff -r 122015efd4e1 -r 67457d16cdbc src/HOL/equalities.ML --- a/src/HOL/equalities.ML Tue Feb 10 10:26:58 1998 +0100 +++ b/src/HOL/equalities.ML Tue Feb 10 10:27:30 1998 +0100 @@ -319,6 +319,8 @@ by (Blast_tac 1); qed "Compl_INT"; +Addsimps [Compl_Un, Compl_Int, Compl_UN, Compl_INT]; + (*Halmos, Naive Set Theory, page 16.*) goal thy "((A Int B) Un C = A Int (B Un C)) = (C<=A)";