src/FOLP/FOLP.thy
author wenzelm
Wed, 29 Apr 1998 11:24:58 +0200
changeset 4850 050481f41e28
parent 3836 f1a1817659e6
child 17480 fd19f77dcf60
permissions -rw-r--r--
added none: 'a -> 'a * 'b attribute list; added no_attrs: 'a * 'b -> ('a * ('b * tag list)) * 'c attribute list; added no_attrss: 'a * 'b list -> ('a * ('b * tag list) list) * 'c attribute list; added applys: ('a * tthm list) * 'a attribute list -> ('a * tthm list);

(*  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