Mon, 03 Jun 1996 17:10:56 +0200 | berghofe | best_tac, deepen_tac and safe_tac now also use default claset. | changeset | files |
Mon, 03 Jun 1996 11:44:44 +0200 | paulson | Shortened some proofs | changeset | files |
Mon, 03 Jun 1996 11:43:55 +0200 | paulson | Added a new theorem, UN_Int_subset | changeset | files |