Duality

Definitions

1. A classification into two subclasses or opposed parts.
   countable, uncountable
2. The interchangeability of points and planes.
   countable, uncountable
3. The mathematical equivalence of two seemingly different theoretical descriptions of a physical system.
   countable, uncountable

Equivalents

Examples

“moral duality”

“philosophical duality”

“The novel explored the duality of good and evil.”

“He was fascinated by the duality of human nature.”

“wave-particle duality”

CEFR level