Proving a negative

Proving a negative

Proving a negative or negative proof may refer to:


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  • negative — [neg′ə tiv] adj. [ME negatife < OFr or L: OFr négatif < L negativus < negatus: see NEGATION] 1. containing, expressing, or implying a denial or refusal; that says “no” [a negative reply] 2. opposite to something regarded as positive;… …   English World dictionary

  • Negative demonstration — Demonstration Dem on*stra tion, n. [L. demonstratio: cf. F. d[ e]monstration.] 1. The act of demonstrating; an exhibition; proof; especially, proof beyond the possibility of doubt; indubitable evidence, to the senses or reason. [1913 Webster]… …   The Collaborative International Dictionary of English

  • negative identification — noun evidence proving that you are not who you say you are not; evidence establishing that you are not among a group of people already known to the system; recognition by the system leads to rejection a system for negative identification can… …   Useful english dictionary

  • MythBusters — Genre Documentary Science Created by Peter Rees Starrin …   Wikipedia

  • Jefferson-Hemings controversy — Thomas Jefferson The Jefferson Hemings controversy concerns the question of whether there was an intimate relationship between Thomas Jefferson and his mixed race slave, Sally Hemings. The controversy started as early as the 1790s. While some… …   Wikipedia

  • X-4 Bantam — infobox Aircraft name = X 4 Bantam type = Tailless aircraft prototype manufacturer = Northrop caption = X 4 Bantam designer= first flight=15 December 1948 primary user= more users= introduction= retired= number built= 2 status= unit cost=… …   Wikipedia

  • Francis Schuckardt — Francis Konrad Schuckardt (July 10, 1937 ndash; November 5, 2006) was an American Traditionalist Catholic independent bishop and the first known bishop in the United States to take the position of sedevacantism, a theory which holds that Pope… …   Wikipedia

  • Good title — is a concept in property law. For a valid transaction to take place, the previous owner must have an indefeasible title to the property and must transfer it to the new owner. Proof of this may be difficult, since it involves proving a negative:… …   Wikipedia

  • Jefferson DNA data — was taken from living male claimed descendants of Jefferson and Hemings. [cite journal|last = Foster | first = EA |coauthors = Jobling MA, Taylor PG, Donnelly P, de Knijff P,Mieremet R, Zerjal T, Tyler Smith C | year = 1998 | title = Jefferson… …   Wikipedia

  • Knee-Knock Rise — is a children s book written by Natalie Babbitt and published in 1970. It was awarded the Newbery Honor in 1971. Although the story is intended for children, some of the underlying themes deal with subjects such as the need for invented religion …   Wikipedia

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