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doc-src/Intro/arith.thy
author wenzelm
Fri, 28 Mar 2008 19:43:54 +0100
changeset 26462 dac4e2bce00d
parent 105 216d6ed87399
permissions -rw-r--r--
avoid rebinding of existing facts;

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