paulson [Tue, 19 Dec 2000 15:19:12 +0100] rev 10705
new file extract_common_term.ML for the cancel-factor simprocs
paulson [Tue, 19 Dec 2000 15:17:53 +0100] rev 10704
inserting the simproc nat_cancel_factor
paulson [Tue, 19 Dec 2000 15:17:21 +0100] rev 10703
inserting the simproc int_cancel_factor
paulson [Tue, 19 Dec 2000 15:16:21 +0100] rev 10702
new simprule zero_less_abs_iff
paulson [Tue, 19 Dec 2000 15:15:43 +0100] rev 10701
coping with the re-orientation of #nn=x
paulson [Tue, 19 Dec 2000 15:14:36 +0100] rev 10700
cancel-factor simproc allows shorter proofs
paulson [Tue, 19 Dec 2000 15:06:59 +0100] rev 10699
more tidying
paulson [Tue, 19 Dec 2000 15:06:14 +0100] rev 10698
cancel-factor simproc allows a shorter proof
wenzelm [Tue, 19 Dec 2000 13:06:49 +0100] rev 10697
improved errors;
nipkow [Mon, 18 Dec 2000 16:45:17 +0100] rev 10696
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