doc-src/Intro/arith.thy
author lcp
Fri, 12 Aug 1994 10:57:55 +0200
changeset 512 55755ed9fab9
parent 105 216d6ed87399
permissions -rw-r--r--
Pure/library/enclose, Pure/Syntax/pretty/enclose: renamed from parents Pure/library/is_blank: now handles form feeds () too, in accordance with ML definition
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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