doc-src/Intro/arith.thy
author wenzelm
Sat, 17 May 2008 13:54:30 +0200
changeset 26928 ca87aff1ad2d
parent 105 216d6ed87399
permissions -rw-r--r--
structure Display: less pervasive operations;

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