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doc-src/Tutorial/Misc/exhaust.ML
author
paulson
Wed, 14 Feb 2001 12:16:32 +0100
changeset 11115
285b31e9e026
parent 9255
2ceb11a2e190
permissions
-rw-r--r--
a new theorem from Bryan Ford
Goal "(case xs of [] => [] | y#ys => xs) = xs";
by(case_tac "xs" 1);