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doc-src/Tutorial/Recdef/sep
author webertj
Wed, 26 May 2004 18:03:52 +0200
changeset 14807 e8ccb13d7774
parent 6100 40d66bc3e83f
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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consts sep :: "'a * 'a list => 'a list"
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recdef sep "measure (%(a,xs). length xs)"
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  "sep(a, [])     = []"
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  "sep(a, [x])    = [x]"
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  "sep(a, x#y#zs) = x # a # sep(a,y#zs)"
isabelle