Wed, 21 Jun 2000 10:31:34 +0200 paulson generalized {Domain,Range}_partial_func to {Domain,Range}_Collect_split
Wed, 21 Jun 2000 10:30:36 +0200 paulson tidied; weakened the (impossible) premises of setsum_UN_disjoint
Tue, 20 Jun 2000 11:54:22 +0200 paulson new module for heaps
Tue, 20 Jun 2000 11:54:07 +0200 paulson now uses the heap data structure for BEST_FIRST
Tue, 20 Jun 2000 11:53:35 +0200 paulson new file heap.ML
Tue, 20 Jun 2000 11:53:16 +0200 paulson changed the Schubert Steamroller proof
Tue, 20 Jun 2000 11:52:38 +0200 paulson another brick in the wall
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