doc-src/Tutorial/Misc/exhaust.ML
author nipkow
Wed, 04 Aug 2004 19:09:58 +0200
changeset 15109 bba563cdd997
parent 9255 2ceb11a2e190
permissions -rw-r--r--
proof mod

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