doc-src/Intro/arith.thy
author wenzelm
Sat, 30 Apr 2011 18:16:40 +0200
changeset 42503 27514b6fbe93
parent 105 216d6ed87399
permissions -rw-r--r--
more uniform variations of scan_string;

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