paulson [Fri, 06 Jun 1997 10:19:20 +0200] rev 3418
Two new examples; corrected a comment
paulson [Fri, 06 Jun 1997 10:18:46 +0200] rev 3417
New example theory: Recdef
nipkow [Thu, 05 Jun 1997 19:44:13 +0200] rev 3416
added finite_converse
nipkow [Thu, 05 Jun 1997 17:19:05 +0200] rev 3415
Moved image_is_empty from Finite.ML to equalities.ML
nipkow [Thu, 05 Jun 1997 14:40:35 +0200] rev 3414
Modified a few defs and proofs because of the changes to theory Finite.thy.
nipkow [Thu, 05 Jun 1997 14:39:22 +0200] rev 3413
Finite.ML Finite.thy: Replaced `finite subset of' by mere `finite'.
Relation.ML Trancl.ML: more thms
WF.ML WF.thy: added `acyclic'
WF_Rel.ML: moved some thms back into WF and added some new ones.
paulson [Thu, 05 Jun 1997 14:06:23 +0200] rev 3412
New recdef examples
paulson [Thu, 05 Jun 1997 13:55:29 +0200] rev 3411
Removal of freeze_vars and thaw_vars. New freeze_thaw
paulson [Thu, 05 Jun 1997 13:53:59 +0200] rev 3410
freezeT now refers to Type.freeze_thaw
paulson [Thu, 05 Jun 1997 13:52:43 +0200] rev 3409
Tidying of signature. More robust renaming in freeze_thaw.
New tactic distinct_subgoals_tac