
1) Being twofold 2) Biformity 3) Biplicity 4) Brace 5) Castor and pollux 6) Categorisation 7) Categorization 8) Cheeks 9) Classification 10) Conjugation 11) Couple 12) Deuce 13) Dichotomy 14) Dispermy 15) Doublets 16) Dualism 17) Duet 18) Duplicity 19) Dyad 20) Fellows 21) French word used in English
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1) Dichotomy 2) Twoness
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[CoPs] In the context of a Community of practice the notion of a duality is used to capture the idea of the tension between two opposing forces which become a driving force for change and creativity. Wenger {Harv|Wenger|1998} uses the concept of dualities to examine the forces that create and sustain a Community of Practice. He describes a ...
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[electrical circuits] In electrical engineering, electrical terms are associated into pairs called duals. A dual of a relationship is formed by interchanging voltage and current in an expression. The dual expression thus produced is of the same form, and the reason that the dual is always a valid statement can be traced to the duality of el...
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[electricity and magnetism] In physics, the electromagnetic dual concept is based on the idea that, in the static case, electromagnetism has two separate facets: electric fields and magnetic fields. Expressions in one of these will have a directly analogous, or dual, expression in the other. The reason for this can ultimately be traced to s...
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[mathematics] In mathematics, a duality, generally speaking, translates concepts, theorems or mathematical structures into other concepts, theorems or structures, in a one-to-one fashion, often (but not always) by means of an involution operation: if the dual of A is B, then the dual of B is A. Such involutions sometimes have fixed points, ...
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[mechanical engineering] In mechanical engineering, many terms are associated into pairs called duals. A dual of a relationship is formed by interchanging force (stress) and deformation (strain) in an expression. Here is a partial list of mechanical dualities: == Examples == === Constitutive relation === ...
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[mixtape] Duality (stylized as Du∆lity), is the debut mixtape from Captain Murphy, the animated rapper alter-ego of experimental musician Flying Lotus. Initially released as a 34-minute short film featuring songs performed by Murphy as well as archived cult footage (including footage involving Heaven`s Gate co-founder Marshall Applewhite)...
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[optimization] In mathematical optimization theory, duality means that optimization problems may be viewed from either of two perspectives, the primal problem or the dual problem (the duality principle). The solution to the dual problem provides a lower bound to the solution of the primal (minimization) problem. However in general the optim...
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[order theory] In the mathematical area of order theory, every partially ordered set P gives rise to a dual (or opposite) partially ordered set which is often denoted by Pop or Pd. This dual order Pop is defined to be the set with the inverse order, i.e. x ≤ y holds in Pop if and only if y ≤ x holds in P. It is easy to see that this con...
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[projective geometry] A striking feature of projective planes is the `symmetry` of the roles played by points and lines in the definitions and theorems, and (plane) duality is the formalization of this metamathematical concept. There are two approaches to the subject of duality, one through language (the Principle of Duality) and the other ...
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The study and use of dual mathematical programs.
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• (n.) The quality or condition of being two or twofold; dual character or usage.
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in mathematics, principle whereby one true statement can be obtained from another by merely interchanging two words. It is a property belonging to ... [5 related articles]
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occurs where a building has two visual axis, which cause it to split into two equal and visually disturbing, parts. Where the duality exists but has been designed out for example by the use of decoration, the duality is said to be resolved.
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The opposite of polarity. When used as a religious term, it separates two opposites such as good and evil and places those characteristics into two completely separate God-forms.
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Du'al'i·ty noun [ Latin
dualitas : confer French
dualité .] The quality or condition of being two or twofold; dual character or usage.
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[
n] - (physics) the property of matter and electromagnetic radiation that is characterized by the fact that some properties can be explained best by wave theory and others by particle theory 2. [n] - (geometry) the interchangeability of the roles of points and planes in the theorems of projective geometry
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wave-particle duality noun (physics) the property of matter and electromagnetic radiation that is characterized by the fact that some properties can be explained best by wave theory and others by particle theory
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See Logic, formal, §§ 1, 3, 7, 8.
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a dual state or quality. · a symmetry within a mathematical system such that a theorem remains valid if certain objects, relations, or operations are interchanged, as the interchange of points and lines in a plane in projective geometry.
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The idea that each unit should be capable of at least two battlefield roles without compromising their efficiency. Duality works because overspecialization serves to make target priority easier for your opponent. (See also
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