doc-src/Tutorial/Misc/exhaust.ML
author webertj
Wed, 26 May 2004 18:03:52 +0200
changeset 14807 e8ccb13d7774
parent 9255 2ceb11a2e190
permissions -rw-r--r--
major code change: refute can now handle any Isabelle term, adds certain axioms automatically, and can handle inductive datatypes (but not yet recursion over them)
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Goal "(case xs of [] => [] | y#ys => xs) = xs";
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by(case_tac "xs" 1);