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doc-src/Intro/arith.thy
author wenzelm
Mon, 23 Apr 2007 20:44:09 +0200
changeset 22770 615e19792c92
parent 105 216d6ed87399
permissions -rw-r--r--
def_simproc(_i): proper ProofContext.read/cert_terms;

Arith = FOL +
classes arith < term
consts  "0"     :: "'a::arith"                  ("0")
        "1"     :: "'a::arith"                  ("1")
        "+"     :: "['a::arith,'a] => 'a"       (infixl 60)
end
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