src/FOL/fol.thy
author clasohm
Fri, 13 Oct 1995 11:48:40 +0100
changeset 1280 909079af97b7
parent 0 a5a9c433f639
permissions -rw-r--r--
corrected spelling of title

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