doc-src/Intro/arith.thy
author wenzelm
Thu, 13 Nov 2008 21:43:46 +0100
changeset 28760 cbc435f7b16b
parent 105 216d6ed87399
permissions -rw-r--r--
unified use of declaration environment with IsarImplementation; tuned ML decls;

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