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doc-src/Tutorial/Misc/Sep2.thy
author wenzelm
Tue, 04 Apr 2000 18:08:08 +0200
changeset 8666 6c21e6f91804
parent 5377 efb799c5ed3c
permissions -rw-r--r--
case_tac / induct_tac: optional rule;
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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
isabelle