doc-src/Intro/arith.thy
author wenzelm
Fri, 09 Nov 2001 00:20:26 +0100
changeset 12124 c4fcdb80c93e
parent 105 216d6ed87399
permissions -rw-r--r--
eliminated old "symbols" syntax, use "xsymbols" instead;

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