DETERMINANT n.
f products of several numbers, these products being formed according to certain specified laws; thus, the determinant of the nine numbers. a, b, c,a', b', c',a'\'b7, b'\'b7, c'\'b7, is a b' c'\'b7 -- a b'\'b7 c' + a' b'\'b7 c] -- a' b c'\'b7 + a'\'b7 b' c. The determinant is written by placing the numbers from which it…
DIALECTICS n.
The science of ideas or of the nature and laws of being -- higher metaphysics. By Kant, it was employed to signify the logic of appearances or illusions, whether these arise from accident or error, or from those necessary limitations which, according to this philosopher, originate in the constitution of the human intel…
DIOPTRICS n.
e science of the refraction of light; that part of geometrical optics which treats of the laws of the refraction of light in passing from one medium into another, or through different mediums, as air, water, or glass, and esp. through different lenses; -- distinguished from catoptrics, which refers to reflected light.…
DIRECT a.
spectively by their Latin names, oratio directa, and oratio obliqua. -- Direct evidence (Law), evidence which is positive or not inferential; -- opposed to circumstantial, or indirect, evidence. -- This distinction, however, is merely formal, since there is no direct evidence that is not circumstantial, or dependent…