doc-src/Intro/arith.thy
author wenzelm
Fri, 03 Jul 1998 17:35:39 +0200
changeset 5124 1ce3cccfacdb
parent 105 216d6ed87399
permissions -rw-r--r--
stepping stones: Recdef, Main; String now part of main HOL;

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