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doc-src/Tutorial/Misc/exhaust.ML
author
wenzelm
Fri, 01 Sep 2000 00:48:12 +0200
changeset 9780
d25d6a977ea6
parent 9255
2ceb11a2e190
permissions
-rw-r--r--
added 'safe' method; 'auto' method: optional parms;
Goal "(case xs of [] => [] | y#ys => xs) = xs";
by(case_tac "xs" 1);