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src/FOL/fol.thy
author
paulson
Wed, 05 Nov 1997 13:32:07 +0100
changeset 4159
4aff9b7e5597
parent 0
a5a9c433f639
permissions
-rw-r--r--
UNIV now a constant; UNION1, INTER1 now translations and no longer have separate rules for themselves
FOL = IFOL +
rules
classical "(~P ==> P) ==> P"
end