author | paulson |
Wed, 24 May 2000 18:42:28 +0200 | |
changeset 8951 | 5483f52da41d |
parent 8950 | 3e858b72fac9 |
child 8952 | 921c35be6ffb |
--- a/src/HOL/Induct/MultisetOrder.thy Wed May 24 18:41:49 2000 +0200 +++ b/src/HOL/Induct/MultisetOrder.thy Wed May 24 18:42:28 2000 +0200 @@ -11,4 +11,5 @@ instance multiset :: (order) order (mult_le_refl,mult_le_trans,mult_le_antisym,mult_less_le) +instance multiset :: (term) plus_ac0 (union_comm,union_assoc) {|Auto_tac|} end