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src/FOL/fol.thy
author
nipkow
Mon, 21 Oct 1996 09:51:18 +0200
changeset 2116
73bbf2cc7651
parent 0
a5a9c433f639
permissions
-rw-r--r--
Used trans_tac (see Provers/nat_transitive.ML) to automate arithmetic.
FOL = IFOL +
rules
classical "(~P ==> P) ==> P"
end