doc-src/Intro/prod.thy
author paulson
Tue, 03 Dec 1996 11:20:43 +0100
changeset 2303 84ed9e0d7c50
parent 105 216d6ed87399
permissions -rw-r--r--
Random number generated "downgraded" to generate numbers below 2^29 - 1, for MLWorks compatibility

Prod = FOL +
types   "*" 2                                 (infixl 20)
arities "*"     :: (term,term)term
consts  fst     :: "'a * 'b => 'a"
        snd     :: "'a * 'b => 'b"
        Pair    :: "['a,'b] => 'a * 'b"       ("(1<_,/_>)")
rules   fst     "fst(<a,b>) = a"
        snd     "snd(<a,b>) = b"
end