In boolean logic, "'logical nor "'or "'joint denial "'is a truth-functional operator which produces a result that is the negation of coordinating conjunction.
2.
In Washington, Secretary of State Madeleine K . Albright and British Foreign Minister Robin Cook issued a joint denial that there is a rift between Washington and London.
3.
Junor's generally sympathetic tone toward the prince and Parker Bowles led the couple to take the unprecedented step of issuing a joint denial late last month that either of them had talked to the author or had seen a draft of the work before publication.
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