src/FOL/fol.thy
author nipkow
Mon, 06 Dec 1993 17:05:10 +0100
changeset 189 831a9a7ab9f3
parent 0 a5a9c433f639
permissions -rw-r--r--
added rep_tsig

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