doc-src/Intro/arith.thy
author Cezary Kaliszyk <cezarykaliszyk@gmail.com>
Thu, 09 Feb 2012 09:36:30 +0100
changeset 46441 992a1688303f
parent 105 216d6ed87399
permissions -rw-r--r--
Generalize the compositional preservation theorems

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