duality

IPA: duˈæɫʌti

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.

Examples of "duality" in Sentences

Anyway, this duality is sort of like the electric and magnetic field duality.
Where such duality is lacking, totality, that is, the totalitarian system is inevitable.
This highlights very clearly that our Western notion of body-mind duality is entirely false.
On the other, there's a certain duality to the story, as both beauty and horror are constant motifs.
Mind/brain duality comes to mind as does the assessment of intelligent input in advance of an identified source.
This duality is one of the fundamental principles underlying article use that I was referring to in my first posting.
We can shuffle the phonemes on two levels, first combining strings of phonemes into words and then words into sentences, which is called the duality of patterning.
Taken collectively, science has its double dependence upon language and experience; but this duality is not significantly traceable into the statements of science taken one by one.
This duality is a manifestation of assumptions about the relationship between objects and ideas, much as Schäffer's color charts were, and they are limiting in similar ways. reference
Whether the issue is mind/brain duality, the origin of life or the anthropic principle, empirical testing is unlikely to render definitive answers fully supporting either IDists or their critics.