# HG changeset patch # User nipkow # Date 1029268913 -7200 # Node ID 79242cccaddcd7ed50134742f0f7fc3403733b0b # Parent 2222c7a0e8bb80d0fbbae7e22287ca3042b70609 arith_tac should not produce counter example diff -r 2222c7a0e8bb -r 79242cccaddc TFL/post.ML --- a/TFL/post.ML Tue Aug 13 21:59:44 2002 +0200 +++ b/TFL/post.ML Tue Aug 13 22:01:53 2002 +0200 @@ -71,7 +71,7 @@ Prim.postprocess strict {wf_tac = REPEAT (ares_tac wfs 1), terminator = asm_simp_tac ss 1 - THEN TRY (arith_tac 1 ORELSE + THEN TRY (silent_arith_tac 1 ORELSE fast_tac (cs addSDs [not0_implies_Suc] addss ss) 1), simplifier = Rules.simpl_conv ss []};