| changeset 27368 | 9f90ac19e32b |
| parent 25595 | 6c48275f9c76 |
| child 27487 | c8a6ce181805 |
--- a/src/HOL/Library/Commutative_Ring.thy Thu Jun 26 10:06:54 2008 +0200 +++ b/src/HOL/Library/Commutative_Ring.thy Thu Jun 26 10:07:01 2008 +0200 @@ -7,7 +7,7 @@ header {* Proving equalities in commutative rings *} theory Commutative_Ring -imports List Parity +imports Plain List Parity uses ("comm_ring.ML") begin