# HG changeset patch # User paulson # Date 953544394 -3600 # Node ID f990040535c9494877e22f0479e89103ea82af22 # Parent 7ffc94f2f42d7333a1098b42672fa72986bdb541 a possibly (?) more perspicous simprule in the "simpset" part diff -r 7ffc94f2f42d -r f990040535c9 src/HOL/ex/Qsort.thy --- a/src/HOL/ex/Qsort.thy Mon Mar 20 10:24:07 2000 +0100 +++ b/src/HOL/ex/Qsort.thy Mon Mar 20 10:26:34 2000 +0100 @@ -10,7 +10,7 @@ consts qsort :: "((['a,'a] => bool) * 'a list) => 'a list" recdef qsort "measure (size o snd)" - simpset "simpset() addsimps [less_Suc_eq_le]" + simpset "simpset() addsimps [length_filter RS le_less_trans]" "qsort(le, []) = []"