Thu, 29 Jun 2000 12:17:18 +0200 | paulson | the default equalityCE simplifies proofs | changeset | files |
Thu, 29 Jun 2000 12:16:43 +0200 | paulson | tidied | changeset | files |
Thu, 29 Jun 2000 12:15:08 +0200 | paulson | fixed proof to cope with the default of equalityCE instead of equalityE | changeset | files |