doc-src/Intro/arith.thy
author krauss
Fri, 22 Jun 2007 10:23:37 +0200
changeset 23473 997bca36d4fe
parent 105 216d6ed87399
permissions -rw-r--r--
new method "elim_to_cases" provides ad-hoc conversion of obtain-style elimination goals to a disjunction of existentials.
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Arith = FOL +
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classes arith < term
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consts  "0"     :: "'a::arith"                  ("0")
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        "1"     :: "'a::arith"                  ("1")
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        "+"     :: "['a::arith,'a] => 'a"       (infixl 60)
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end