diff -r 6ef9a9893fd6 -r 3ae9fe3c0f68 src/HOL/ex/Sorting.ML
--- a/src/HOL/ex/Sorting.ML	Wed Oct 04 13:11:57 1995 +0100
+++ b/src/HOL/ex/Sorting.ML	Wed Oct 04 13:12:14 1995 +0100
@@ -6,21 +6,19 @@
 Some general lemmas
 *)
 
-val sorting_ss = list_ss addsimps
-      [Sorting.mset_Nil,Sorting.mset_Cons,
-       Sorting.sorted_Nil,Sorting.sorted_Cons,
-       Sorting.sorted1_Nil,Sorting.sorted1_One,Sorting.sorted1_Cons];
+Addsimps [Sorting.mset_Nil,Sorting.mset_Cons,
+          Sorting.sorted_Nil,Sorting.sorted_Cons,
+          Sorting.sorted1_Nil,Sorting.sorted1_One,Sorting.sorted1_Cons];
 
 goal Sorting.thy "!x.mset (xs@ys) x = mset xs x + mset ys x";
 by(list.induct_tac "xs" 1);
-by(ALLGOALS(asm_simp_tac (sorting_ss setloop (split_tac [expand_if]))));
+by(ALLGOALS(asm_simp_tac (!simpset setloop (split_tac [expand_if]))));
 qed "mset_app_distr";
 
 goal Sorting.thy "!x. mset [x:xs. ~p(x)] x + mset [x:xs.p(x)] x = \
 \                     mset xs x";
 by(list.induct_tac "xs" 1);
-by(ALLGOALS(asm_simp_tac (sorting_ss setloop (split_tac [expand_if]))));
+by(ALLGOALS(asm_simp_tac (!simpset setloop (split_tac [expand_if]))));
 qed "mset_compl_add";
 
-val sorting_ss = sorting_ss addsimps
-      [mset_app_distr, mset_compl_add];
+Addsimps [mset_app_distr, mset_compl_add];