# HG changeset patch # User paulson # Date 880710752 -3600 # Node ID 9bfac4684f2f8362a5a77eeb1d8beb431070741f # Parent 561242f8606b92db2b6630febb8249badf39826f New example diff -r 561242f8606b -r 9bfac4684f2f src/HOL/ex/set.ML --- a/src/HOL/ex/set.ML Fri Nov 28 10:52:04 1997 +0100 +++ b/src/HOL/ex/set.ML Fri Nov 28 10:52:32 1997 +0100 @@ -17,6 +17,11 @@ by (blast_tac (claset() delrules [UNIV_I]) 1); result(); +(*variant of the benchmark above*) +goal Set.thy "!!S. ALL x:S. Union(S) <= x ==> EX z. S <= {z}"; +by (blast_tac (claset() delrules [UNIV_I]) 1); +(*just Blast_tac takes 27 seconds instead of 2.2*) +result(); (*** A unique fixpoint theorem --- fast/best/meson all fail ***)