contradictories

from The Collaborative International Dictionary of English v.0.48
Contradictory \Con`tra*dict"o*ry\, n.; pl. {Contradictories}.
   1. A proposition or thing which denies or opposes another;
      contrariety.
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            It is common with princes to will contradictories.
                                                  --Bacon.
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   2. pl. (Logic) propositions with the same terms, but opposed
      to each other both in quality and quantity.
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