| Fri, 22 Oct 1993 11:42:02 +0100 | lcp | sample datatype defs now use datatype_intrs, datatype_elims | file | diff | annotate |
| Fri, 15 Oct 1993 10:25:23 +0100 | lcp | ZF/ex/tf/tree,forest_unfold: streamlined the proofs | file | diff | annotate |
| Thu, 16 Sep 1993 12:20:38 +0200 | clasohm | Initial revision | file | diff | annotate |