Subcontrary

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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 [gcide]:



  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]