subcontrary

from The Collaborative International Dictionary of English v.0.48
Subcontrary \Sub*con"tra*ry\, n.; pl. {Subcontraries}. (Logic)
   A subcontrary proposition; a proposition inferior or contrary
   in a lower degree.
   [1913 Webster]
from The Collaborative International Dictionary of English v.0.48
Subcontrary \Sub*con"tra*ry\, a.
   1. Contrary in an inferior degree.
      [1913 Webster]

   2. (Geom.) Having, or being in, a contrary order; -- said of
      a section of an oblique cone having a circular base made
      by a plane not parallel to the base, but so inclined to
      the axis that the section is a circle; applied also to two
      similar triangles when so placed as to have a common angle
      at the vertex, the opposite sides not being parallel.
      --Brande & C.
      [1913 Webster]

   3. (Logic) Denoting the relation of opposition between the
      particular affirmative and particular negative. Of these
      both may be true and only one can be false.
      [1913 Webster]
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