| Wed, 10 Apr 2013 13:10:38 +0200 | wenzelm | formal proof context for axclass proofs; | changeset | files |
| Wed, 10 Apr 2013 12:31:35 +0200 | wenzelm | prefer local context; | changeset | files |
| Wed, 10 Apr 2013 12:24:43 +0200 | wenzelm | proper proof context; | changeset | files |