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src/FOL/fol.thy
author
paulson
Wed, 15 May 2002 10:42:32 +0200
changeset 13149
773657d466cb
parent 0
a5a9c433f639
permissions
-rw-r--r--
better simplification of trivial existential equalities
FOL = IFOL +
rules
classical "(~P ==> P) ==> P"
end