doc-src/Intro/arith.thy
author chaieb
Sat, 20 Oct 2007 12:09:30 +0200
changeset 25111 d52a58b51f1f
parent 105 216d6ed87399
permissions -rw-r--r--
neq0_conv removed from [iff] -- causes problems by simple goals with blast, auto etc...

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