Dyad vs Duality - What's the difference?
dyad | duality |
A set of two elements treated as one; a pair.
* {{quote-book, year=1908, author=W. D. Ross, title=, by=Aristotle
, passage=... positing a dyad and constructing the infinite out of great and small, instead of treating the infinite as one, is peculiar to him; ...}}
(music) any set of two different pitch classes.
A pair of things standing in particular relation; dyadic relation.
* "For each individual in a specific dyad (i.e., mother-offspring, offspring-father, sibling-sibling),..." Debra Lieberman, John Tooby, and Leda Cosmides - The evolution of human incest avoidance mechanisms: an evolutionary psychological approach , p. 20
(chemistry) An element, atom, or radical having a valence or combining power of two.
A classification into two subclasses or opposed parts.
(projective geometry) The interchangeability of points and planes.
(mathematics, physics) The mathematical equivalence of two seemingly different theoretical descriptions of a physical system.