src/FOLP/FOLP.thy
author nipkow
Wed, 04 Aug 2004 11:25:08 +0200
changeset 15106 e8cef6993701
parent 3836 f1a1817659e6
child 17480 fd19f77dcf60
permissions -rw-r--r--
aded comment

(*  Title:      FOLP/FOLP.thy
    ID:         $Id$
    Author:     Martin D Coen, Cambridge University Computer Laboratory
    Copyright   1992  University of Cambridge

Classical First-Order Logic with Proofs
*)

FOLP = IFOLP +
consts
  cla :: "[p=>p]=>p"
rules
  classical "(!!x. x:~P ==> f(x):P) ==> cla(f):P"
end