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doc-src/Intro/arith.thy
author wenzelm
Wed, 29 Apr 1998 11:26:59 +0200
changeset 4852 58b5006d36cc
parent 105 216d6ed87399
permissions -rw-r--r--
replaced thy_setup by 'setup' section; adapted to new PureThy.add_axioms / PureThy.add_defs; added 'nonterminals' section;
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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
isabelle