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doc-src/Tutorial/Misc/exhaust.ML
author
ballarin
Fri, 29 Aug 2003 15:40:11 +0200
changeset 14175
dbd16ebaf907
parent 9255
2ceb11a2e190
permissions
-rw-r--r--
Method rule_tac understands Isar contexts: documentation.
Goal "(case xs of [] => [] | y#ys => xs) = xs";
by(case_tac "xs" 1);