| Thu, 15 Nov 2001 18:09:40 +0100 | wenzelm | added Term and Tree_Forest (from converted ZF/ex); | file | diff | annotate |
| Wed, 14 Nov 2001 23:20:14 +0100 | wenzelm | added Datatypes, Binary_Trees (from ZF/ex); | file | diff | annotate |
| Wed, 07 Nov 2001 18:12:12 +0100 | paulson | Sidi Ehmety's port of the fold_set operator and multisets to ZF. | file | diff | annotate |