Thu, 12 Oct 2000 12:19:15 +0200 | paulson | new theorem and SD-rule zmod_eq_0_iff | changeset | files |
Thu, 12 Oct 2000 12:18:51 +0200 | paulson | delrules [r_into_rtrancl] required because the new I-rule made a step slow. | changeset | files |
Thu, 12 Oct 2000 12:16:58 +0200 | paulson | tidied | changeset | files |