Duality vs Trinity - What's the difference?
duality | trinity |
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.
A group or set of three people or things; triad; trio; trine.
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*:But when the moon rose and the breeze awakened, and the sedges stirred, and the cat's-paws raced across the moonlit ponds, and the far surf off Wonder Head intoned the hymn of the four winds, the trinity , earth and sky and water, became one thunderous symphony—a harmony of sound and colour silvered to a monochrome by the moon.
The state of being three; threeness.