subcontrary (subkontrari)

and n. I. a. Contrary in an inferior degree. (a) In geom., it denotes the relative position of two similar triangles of which one of the pairs of homologous angles coincide while the including sides are interchanged. Thus, in the cut the triangles ACB, ECD are subcontrary. C (b) In logic the term is applied (1) to the particular affirmative proposition and the particular negative proposition, with relation to the universal affirmative proposition and the universal negative proposition above them, which have the same subject and predicate: thus, "some man is mortal" and "some man is not mortal" are subcontrary propositions, with relation to "every man is mortal" and "no man is mortal," which are contraries; (2) to the relation between two attributes which coexist in the same substance, yet in such a way that the more there is of one the le there is of the other.-Subcontrary section, one of the circular sections of a quadric cone in its relation to another circular section not parallel to it. D A B E II. n.; pl. subcontraries (-riz). In logic , a subcontrary proposition.