doc-src/Intro/arith.thy
author wenzelm
Tue, 25 Feb 1997 16:57:25 +0100
changeset 2684 9781d63ef063
parent 105 216d6ed87399
permissions -rw-r--r--
added proper subset symbols syntax;

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