doc-src/Intro/arith.thy
author paulson
Thu, 03 Sep 1998 16:40:02 +0200
changeset 5426 566f47250bd0
parent 105 216d6ed87399
permissions -rw-r--r--
A new approach, using simp_of_act and simp_of_set to activate definitions when necessary

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