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doc-src/Tutorial/Misc/exhaust.ML
author
paulson
Fri, 19 Mar 2004 10:42:38 +0100
changeset 14472
cba7c0a3ffb3
parent 9255
2ceb11a2e190
permissions
-rw-r--r--
Removing the datatype declaration of "order" allows the standard General.order to be used. Thus we can use Int.compare and String.compare instead of the slower home-grown versions.
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nipkow
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Goal "(case xs of [] => [] | y#ys => xs) = xs";
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by(case_tac "xs" 1);