paulson [Wed, 21 Jun 2000 10:32:57 +0200] rev 9098
new theorem UN_empty; it and Un_empty inserted by AddIffs
paulson [Wed, 21 Jun 2000 10:31:34 +0200] rev 9097
generalized {Domain,Range}_partial_func to {Domain,Range}_Collect_split
paulson [Wed, 21 Jun 2000 10:30:36 +0200] rev 9096
tidied; weakened the (impossible) premises of setsum_UN_disjoint
paulson [Tue, 20 Jun 2000 11:54:22 +0200] rev 9095
new module for heaps
paulson [Tue, 20 Jun 2000 11:54:07 +0200] rev 9094
now uses the heap data structure for BEST_FIRST
paulson [Tue, 20 Jun 2000 11:53:35 +0200] rev 9093
new file heap.ML
paulson [Tue, 20 Jun 2000 11:53:16 +0200] rev 9092
changed the Schubert Steamroller proof
paulson [Tue, 20 Jun 2000 11:52:38 +0200] rev 9091
another brick in the wall
paulson [Tue, 20 Jun 2000 11:51:21 +0200] rev 9090
changed a step for the improved rules for setsum
paulson [Tue, 20 Jun 2000 11:50:33 +0200] rev 9089
deleted a step made redundant by the improved rules for setsum
paulson [Tue, 20 Jun 2000 11:42:24 +0200] rev 9088
replaced the useless [p]subset_insertD by [p]subset_insert_iff
paulson [Tue, 20 Jun 2000 11:41:25 +0200] rev 9087
now setsum f A = 0 unless A is finite