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doc-src/Tutorial/Misc/exhaust.ML
author
paulson
Mon, 17 Mar 2003 17:37:20 +0100
changeset 13865
0a6bf71955b0
parent 9255
2ceb11a2e190
permissions
-rw-r--r--
moved one proof, added another
Goal "(case xs of [] => [] | y#ys => xs) = xs";
by(case_tac "xs" 1);