| Sat, 20 Oct 2007 15:46:04 +0200 | wenzelm | fixed proof: neq0_conv; | changeset | files |
| Sat, 20 Oct 2007 12:09:33 +0200 | chaieb | fixed proofs | changeset | files |
| Sat, 20 Oct 2007 12:09:30 +0200 | chaieb | neq0_conv removed from [iff] -- causes problems by simple goals with blast, auto etc... | changeset | files |