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doc-src/Tutorial/Misc/exhaust.ML
author
paulson
Sun, 15 Feb 2004 10:46:37 +0100
changeset 14387
e96d5c42c4b0
parent 9255
2ceb11a2e190
permissions
-rw-r--r--
Polymorphic treatment of binary arithmetic using axclasses
Goal "(case xs of [] => [] | y#ys => xs) = xs";
by(case_tac "xs" 1);