doc-src/Tutorial/Misc/Sep2.thy
author wenzelm
Wed, 30 Aug 2000 17:54:05 +0200
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Sep2 = List +
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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, x#y#zs) = x # a # sep(a,y#zs)"
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    "sep(a, xs)     = xs"
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end