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src/FOL/FOL.thy
author
paulson
Fri, 31 Jan 1997 17:13:19 +0100
changeset 2572
8a47f85e7a03
parent 0
a5a9c433f639
child 4093
5e8f3d57dee7
permissions
-rw-r--r--
ex_impE was incorrectly listed as Safe
FOL = IFOL +
rules
classical "(~P ==> P) ==> P"
end