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Duality vs Twoness - What's the difference?

duality | twoness |

As nouns the difference between duality and twoness

is that duality is a classification into two subclasses or opposed parts while twoness is the state or condition of being two; duality; doubleness; duplicity.

duality

English

Noun

(dualities)
  • 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.

    • Synonyms

    * dichotomy

    Derived terms

    * wave-particle duality

    twoness

    English

    Noun

    (-)
  • The state or condition of being two; duality; doubleness; duplicity.