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doc-src/Tutorial/Misc/exhaust.ML
author
wenzelm
Thu, 27 Jul 2000 18:25:01 +0200
changeset 9451
5c25ed3c10a0
parent 9255
2ceb11a2e190
permissions
-rw-r--r--
begin_theory: store *copy* of initial theory;
Goal "(case xs of [] => [] | y#ys => xs) = xs";
by(case_tac "xs" 1);