Tue, 26 Jun 2007 18:32:24 +0200 | paulson | recoded | changeset | files |
Tue, 26 Jun 2007 18:28:40 +0200 | paulson | simplified | changeset | files |
Tue, 26 Jun 2007 15:48:24 +0200 | paulson | completed some references | changeset | files |
Tue, 26 Jun 2007 15:48:09 +0200 | paulson | changes for type class ring_no_zero_divisors | changeset | files |