src/FOL/FOL.thy
author wenzelm
Fri, 07 Mar 1997 11:48:46 +0100
changeset 2754 59bd96046ad6
parent 0 a5a9c433f639
child 4093 5e8f3d57dee7
permissions -rw-r--r--
moved settings comment to build;

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