doc-src/Tutorial/Misc/exhaust.ML
author berghofe
Fri, 31 Aug 2001 16:17:52 +0200
changeset 11523 9a658fe20107
parent 9255 2ceb11a2e190
permissions -rw-r--r--
Tuned function extend_lexicon.

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