doc-src/Tutorial/Misc/Chain.thy
author wenzelm
Sun, 23 Jul 2000 12:01:05 +0200
changeset 9408 d3d56e1d2ec1
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permissions -rw-r--r--
classical atts now intro! / intro / intro?;
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Chain = List +
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consts chain :: "('a => 'a => bool) * 'a list => bool"
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recdef chain "measure (%(r,xs). length xs)"
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    "chain(r, [])     = True"
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    "chain(r, [x])    = True"
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    "chain(r, x#y#zs) = (r x y & chain(r, y#zs))"
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end