Tue, 18 Mar 1997 10:42:08 +0100 | paulson | Stopped giving Introduction rules as Elimination rules | changeset | files |
Tue, 18 Mar 1997 08:43:26 +0100 | nipkow | Added P&P&Q <-> P&Q and P|P|Q <-> P|Q | changeset | files |
Tue, 18 Mar 1997 08:42:18 +0100 | nipkow | Added P&P&Q = P&Q and P|P|Q = P|Q. | changeset | files |
Mon, 17 Mar 1997 15:38:26 +0100 | nipkow | *** empty log message *** | changeset | files |