doc-src/Intro/arith.thy
author wenzelm
Thu, 19 May 1994 17:06:24 +0200
changeset 393 02b27671b899
parent 105 216d6ed87399
permissions -rw-r--r--
thy reader now initialised by init_thy_reader();

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