src/FOL/FOL.thy
author wenzelm
Mon, 20 Oct 1997 11:06:01 +0200
changeset 3942 1f1c1f524d19
parent 0 a5a9c433f639
child 4093 5e8f3d57dee7
permissions -rw-r--r--
adapted to qualified names;

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