src/FOL/fol.thy
author lcp
Mon, 27 Feb 1995 18:05:38 +0100
changeset 913 8aaa8c5a567e
parent 0 a5a9c433f639
permissions -rw-r--r--
Updated the "version" variable (which was never done for Isabelle-94 revisions 1 and 2!)

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