doc-src/Intro/arith.thy
author nipkow
Sun, 25 Jan 2004 00:42:22 +0100
changeset 14360 e654599b114e
parent 105 216d6ed87399
permissions -rw-r--r--
Added an exception handler and error msg.

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