Wed, 10 Jan 2001 11:08:29 +0100 | nipkow | *** empty log message *** | changeset | files |
Wed, 10 Jan 2001 11:07:11 +0100 | paulson | now using "by" for one-line proofs | changeset | files |
Wed, 10 Jan 2001 11:06:07 +0100 | paulson | introduction of "by" and a few examples of SOME | changeset | files |