doc-src/Tutorial/Misc/arith3.ML
author wenzelm
Thu, 24 Jan 2002 22:42:14 +0100
changeset 12847 afa356dbcb15
parent 6577 a2b5c84d590a
permissions -rw-r--r--
fixed subgoal_tac; fails on non-existent subgoal;

Goal "~ m < n & m < n+1 ==> m = n";