doc-src/Intro/arith.thy
author haftmann
Fri, 26 Jan 2007 13:59:03 +0100
changeset 22196 680b04dbd51c
parent 105 216d6ed87399
permissions -rw-r--r--
exported interface for explicit error messages

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