berghofe [Fri, 24 Jul 1998 13:35:47 +0200] rev 5189
Added theorem distinct_lemma (needed for datatypes).
berghofe [Fri, 24 Jul 1998 13:34:59 +0200] rev 5188
Declaration of type 'nat' as a datatype (this allows usage of
exhaust_tac and induct_tac on type 'nat'). Moved some proofs
using natE from NatDef.ML to Nat.ML.
berghofe [Fri, 24 Jul 1998 13:30:28 +0200] rev 5187
Removed nat_case, nat_rec, and natE (now provided by datatype
package).
berghofe [Fri, 24 Jul 1998 13:28:21 +0200] rev 5186
Removed ThyData setup.
berghofe [Fri, 24 Jul 1998 13:27:23 +0200] rev 5185
Added theorem ex1_implies_ex.
berghofe [Fri, 24 Jul 1998 13:19:38 +0200] rev 5184
Adapted to new datatype package.
berghofe [Fri, 24 Jul 1998 13:03:20 +0200] rev 5183
Adapted to new datatype package.
berghofe [Fri, 24 Jul 1998 13:02:01 +0200] rev 5182
Removed old datatype package.
berghofe [Fri, 24 Jul 1998 13:00:36 +0200] rev 5181
New theory Datatype. Needed as an ancestor when defining datatypes.
berghofe [Fri, 24 Jul 1998 12:55:05 +0200] rev 5180
Added new function add_typedef_i_no_def which doesn't add
definition of representing set to theory.