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doc-src/Tutorial/Misc/exhaust.ML
author wenzelm
Fri, 08 Oct 1999 16:16:51 +0200
changeset 7805 0ae9ddc36fe0
parent 5377 efb799c5ed3c
child 9255 2ceb11a2e190
permissions -rw-r--r--
theorem database now also indexes constants "Trueprop", "all", "==>", "=="; thus thms_containing, findI etc. may retrieve more rules;
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nipkow
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Goal "(case xs of [] => [] | y#ys => xs) = xs";
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nipkow
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by(exhaust_tac "xs" 1);
isabelle