relation+symbol

См. также в других словарях:

• Symbol — Sym bol (s[i^]m b[o^]l), n. [L. symbolus, symbolum, Gr. sy mbolon a sign by which one knows or infers a thing, from symba llein to throw or put together, to compare; sy n with + ba llein to throw: cf. F. symbole. Cf. {Emblem}, {Parable}.] 1. A… …   The Collaborative International Dictionary of English

• Symbol grounding — The Symbol Grounding Problem is related to the problem of how words (symbols) get their meanings, and hence to the problem of what meaning itself really is. The problem of meaning is in turn related to the problem of consciousness, or how it is… …   Wikipedia

• Relation (mathematics) — This article sets out the set theoretic notion of relation. For a more elementary point of view, see binary relations and triadic relations. : For a more combinatorial viewpoint, see theory of relations. In mathematics, especially set theory, and …   Wikipedia

• Symbol — For other uses, see Symbol (disambiguation). Symbology redirects here. For other uses, see Symbology (disambiguation). A symbol is something which represents an idea, a physical entity or a process but is distinct from it. The purpose of a symbol …   Wikipedia

• Non-logical symbol — In logic, the formal languages used to create expressions consist of symbols which can be broadly divided into constants and variables. The constants of a language can further be divided into logical symbols and non logical symbols (sometimes… …   Wikipedia

• Binary relation — Relation (mathematics) redirects here. For a more general notion of relation, see Finitary relation. For a more combinatorial viewpoint, see Theory of relations. In mathematics, a binary relation on a set A is a collection of ordered pairs of… …   Wikipedia

• Finitary relation — This article sets out the set theoretic notion of relation. For a more elementary point of view, see Binary relation. For a combinatorial viewpoint, see Theory of relations. For other uses, see Relation (disambiguation). In set theory and logic,… …   Wikipedia

• 3-jm symbol — Wigner 3 jm symbols, also called 3 j symbols,are related to Clebsch Gordan coefficientsthrough:egin{pmatrix} j 1 j 2 j 3 m 1 m 2 m 3end{pmatrix}equiv frac{( 1)^{j 1 j 2 m 3{sqrt{2j 3+1 langle j 1 m 1 j 2 m 2 | j 3 , { m 3} angle. Inverse… …   Wikipedia

• 6-j symbol — Wigner s 6 j symbols were introduced by Eugene Paul Wigner in 1940, and published in 1965.They are related to Racah s W coefficientsby: egin{Bmatrix} j 1 j 2 j 3 j 4 j 5 j 6 end{Bmatrix} = ( 1)^{j 1+j 2+j 4+j 5}W(j 1j 2j 5j 4;j 3j 6).They have… …   Wikipedia

• Levi-Civita symbol — Not to be confused with Levi Civita connection. The Levi Civita symbol, also called the permutation symbol, antisymmetric symbol, or alternating symbol, is a mathematical symbol used in particular in tensor calculus. It is named after the Italian …   Wikipedia

• Canonical commutation relation — In physics, the canonical commutation relation is the relation between canonical conjugate quantities (quantities which are related by definition such that one is the Fourier transform of another), for example: between the position x and momentum …   Wikipedia