Tue, 08 Dec 2009 22:02:14 +0100 | Christian Urban | proper formulation of all preservation theorems | changeset | files |
Tue, 08 Dec 2009 20:55:55 +0100 | Christian Urban | started to reformulate preserve lemmas | changeset | files |
Tue, 08 Dec 2009 20:34:00 +0100 | Christian Urban | properly set up the prs_rules | changeset | files |