doc-src/Tutorial/Misc/exhaust.ML
author wenzelm
Fri, 21 May 2004 21:14:52 +0200
changeset 14766 c0401da7726d
parent 9255 2ceb11a2e190
permissions -rw-r--r--
use plain SOME;

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