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doc-src/Tutorial/Misc/exhaust.ML
author
wenzelm
Wed, 23 Jan 2002 16:57:33 +0100
changeset 12837
74ce01905e57
parent 9255
2ceb11a2e190
permissions
-rw-r--r--
* HOL: nat_number_of;
Goal "(case xs of [] => [] | y#ys => xs) = xs";
by(case_tac "xs" 1);