Wed, 01 May 1996 10:37:07 +0200 | paulson | New lemma inspired by KG | changeset | files |
Wed, 01 May 1996 10:35:06 +0200 | paulson | tidied some proofs | changeset | files |
Tue, 30 Apr 1996 17:32:29 +0200 | nipkow | Added an equivalence proof which avoids the use of -n-> | changeset | files |