src/ZF/ex/Enum.ML

impose hyps on initial goal configuration (prevents res_inst_tac problems);

(*  Title:      ZF/ex/Enum
    ID:         $Id$
    Author:     Lawrence C Paulson, Cambridge University Computer Laboratory
    Copyright   1993  University of Cambridge

Example of a BIG enumeration type

Can go up to at least 100 constructors, but it takes nearly 7 minutes...
*)

Goal "C00 \\<noteq> C01";
by (Simp_tac 1);
result();