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doc-src/Intro/arith.thy
author wenzelm
Fri, 01 Jul 2005 14:41:59 +0200
changeset 16655 3e4d726aaed1
parent 105 216d6ed87399
permissions -rw-r--r--
added all_sorts_nonempty;

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