src/FOL/fol.thy
author wenzelm
Thu, 22 May 1997 16:04:48 +0200
changeset 3303 656b5221a56e
parent 0 a5a9c433f639
permissions -rw-r--r--
tuned Isamode stuff;

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