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doc-src/Intro/arith.thy
author kleing
Sun, 12 Feb 2006 04:31:18 +0100
changeset 19021 0111ecc5490e
parent 105 216d6ed87399
permissions -rw-r--r--
divisibility by 3 theorem, contributed by Benjamin Porter, #85 in http://www.cs.ru.nl/~freek/100/

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