doc-src/Intro/arith.thy
author wenzelm
Tue, 31 May 2011 22:15:39 +0200
changeset 42915 f35aae36cad0
parent 105 216d6ed87399
permissions -rw-r--r--
turned "Overview" into "Preface" (similar to doc-src/Intro/intro.tex);

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