src/CCL/Set.thy
1997-10-20 wenzelm 1997-10-20 adapted to qualified names;
1997-10-10 wenzelm 1997-10-10 fixed dots;
1994-03-17 clasohm 1994-03-17 adapted type definition to new syntax
1993-09-16 clasohm 1993-09-16 Initial revision