doc-src/Tutorial/Misc/exhaust.ML
author wenzelm
Thu, 08 Aug 2002 23:51:24 +0200
changeset 13486 54464ea94d6f
parent 9255 2ceb11a2e190
permissions -rw-r--r--
exception SIMPROC_FAIL: solid error reporting of simprocs;

Goal "(case xs of [] => [] | y#ys => xs) = xs";
by(case_tac "xs" 1);