| Wed, 25 Jul 2001 17:58:26 +0200 | paulson | Hilbert restructuring: Wellfounded_Relations no longer needs Hilbert_Choice | file | diff | annotate |
| Wed, 25 Jul 2001 13:44:32 +0200 | paulson | partial restructuring to reduce dependence on Axiom of Choice | file | diff | annotate |