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doc-src/Tutorial/Misc/exhaust.ML
author
wenzelm
Fri, 14 Dec 2001 11:53:31 +0100
changeset 12499
1b56e1732a61
parent 9255
2ceb11a2e190
permissions
-rw-r--r--
added invent_type_names; added add_tvarsT etc. (from drule.ML);
Goal "(case xs of [] => [] | y#ys => xs) = xs";
by(case_tac "xs" 1);