Wed, 24 May 2000 12:21:26 +0200 | paulson | restored NatSum.thy | changeset | files |
Tue, 23 May 2000 18:29:17 +0200 | paulson | now 0 is overloaded | changeset | files |
Tue, 23 May 2000 18:28:11 +0200 | paulson | added type constraint ::nat because 0 is now overloaded | changeset | files |
Tue, 23 May 2000 18:24:48 +0200 | paulson | IntRingDefs is now redundant | changeset | files |