Tue, 28 Sep 1999 15:31:54 +0200 | paulson | zero_is_mult, by symmetry | changeset | files |
Tue, 28 Sep 1999 15:30:52 +0200 | paulson | new UNITY theory: Project | changeset | files |
Tue, 28 Sep 1999 15:12:50 +0200 | paulson | AC rules for equality | changeset | files |