Wed, 24 Sep 1997 12:26:14 +0200 paulson Tidied some proofs using clarify_tac
Wed, 24 Sep 1997 12:25:32 +0200 paulson clarify_tac and a new simprule
Wed, 24 Sep 1997 12:24:41 +0200 paulson Names and saves the theorem parts_spies_subset_used
Wed, 24 Sep 1997 10:51:52 +0200 wenzelm pure_trfuns: added constraint;
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