1996-03-06 clasohm 1996-03-06 added constdefs section
1996-03-04 nipkow 1996-03-04 Added a constant UNIV == {x.True} Added many new rewrite rules for sets. Moved LEAST into Nat. Added cardinality to Finite.
1996-02-05 clasohm 1996-02-05 expanded tabs; renamed subtype to typedef; incorporated Konrad's changes
1995-11-29 clasohm 1995-11-29 removed quotes from types in consts and syntax sections
1995-03-03 clasohm 1995-03-03 new version of HOL with curried function application