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doc-src/Tutorial/Misc/exhaust.ML
author
paulson
Wed, 28 Jul 1999 13:55:34 +0200
changeset 7123
4ab38de3fd20
parent 5377
efb799c5ed3c
child 9255
2ceb11a2e190
permissions
-rw-r--r--
congruence rule for |-, etc.
Goal "(case xs of [] => [] | y#ys => xs) = xs";
by(exhaust_tac "xs" 1);