paulson [Tue, 16 May 2000 14:07:49 +0200] rev 8878
changed to cope with the rewriting of #2+n to Suc(Suc n)
paulson [Tue, 16 May 2000 14:07:06 +0200] rev 8877
new policy to simplify the use of numerals:
#0 -> 0
#1 -> 1
#2 + n -> Suc (Suc n) similarly for n + #2
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.