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doc-src/Intro/arith.thy
author wenzelm
Thu, 14 Dec 2000 19:37:09 +0100
changeset 10672 3b1c2d74a01b
parent 105 216d6ed87399
permissions -rw-r--r--
use \<Sum> from main HOL;

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