src/FOL/FOL.thy
author oheimb
Fri, 12 Jul 1996 20:46:32 +0200
changeset 1858 513316fd1087
parent 0 a5a9c433f639
child 4093 5e8f3d57dee7
permissions -rw-r--r--
*** empty log message ***

FOL = IFOL +
rules
classical "(~P ==> P) ==> P"
end