paulson [Tue, 16 May 2000 14:04:29 +0200] rev 8876
reverted to old proof of dominoes_tile_row, given new treatment of #2+...
berghofe [Mon, 15 May 2000 17:34:05 +0200] rev 8875
Replaced some definitions involving epsilon by more readable primrec
definitions.
berghofe [Mon, 15 May 2000 17:32:39 +0200] rev 8874
alist_rec and assoc are now defined using primrec and thus no longer
refer to the recursion combinator list_rec, which should be considered
internal.
berghofe [Mon, 15 May 2000 17:30:19 +0200] rev 8873
Removed unnecessary primrec equations of hd and last involving arbitrary.
paulson [Mon, 15 May 2000 10:34:51 +0200] rev 8872
collected three proofs into rename_client_map_tac
paulson [Mon, 15 May 2000 10:33:32 +0200] rev 8871
added the dummy theory Integ/NatSimprocs.thy
paulson [Fri, 12 May 2000 15:21:58 +0200] rev 8870
updated
paulson [Fri, 12 May 2000 15:20:46 +0200] rev 8869
new simprules needed because of new subtraction rewriting
paulson [Fri, 12 May 2000 15:18:55 +0200] rev 8868
nat_diff_split' now called nat_diff_split
paulson [Fri, 12 May 2000 15:15:27 +0200] rev 8867
deleted a lot of obsolete arithmetic lemmas