disjunctive proposition

1 definition found

disjunctive proposition - Collaborative International Dictionary of English v.0.48 :

  Disjunctive \Dis*junc"tive\, a. [L. disjunctivus: cf. F.
     disjonctif.]
     1. Tending to disjoin; separating; disjoining.
        [1913 Webster]
  
     2. (Mus.) Pertaining to disjunct tetrachords. "Disjunctive
        notes." --Moore (Encyc. of Music).
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     Disjunctive conjunction (Gram.), one connecting
        grammatically two words or clauses, expressing at the same
        time an opposition or separation inherent in the notions
        or thoughts; as, either, or, neither, nor, but, although,
        except, lest, etc.
  
     Disjunctive proposition, a proposition in which the parts
        are connected by disjunctive conjunctions, specifying that
        one of two or more propositions may hold, but that no two
        propositions may hold at the same time; as it is either
        day or night.
  
     Disjunctive syllogism (Logic), one in which the major
        proposition is disjunctive; as, the earth moves in a
        circle or an ellipse; but in does not move in a circle,
        therefore it moves in an ellipse.
        [1913 Webster]