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empty intersection

См. также в других словарях:

  • Intersection theory (mathematics) — In mathematics, intersection theory is a branch of algebraic geometry, where subvarieties are intersected on an algebraic variety, and of algebraic topology, where intersections are computed within the cohomology ring. The theory for varieties is …   Wikipedia

  • Intersection (mathematiques) — Intersection (mathématiques) Pour les articles homonymes, voir Intersection. Intersection des ensembles A et B Dans la thé …   Wikipédia en Français

  • Intersection (maths) — Intersection (mathématiques) Pour les articles homonymes, voir Intersection. Intersection des ensembles A et B Dans la thé …   Wikipédia en Français

  • Intersection (set theory) — Intersections of the Greek, Latin and Russian alphabet (upper case graphemes) (The intersection of Greek and Latin letters is used for the Greek licence plates.) …   Wikipedia

  • Empty product — In mathematics, an empty product, or nullary product, is the result of multiplying no factors. It is equal to the multiplicative identity 1, given that it exists for the multiplication operation in question, just as the empty sum the result of… …   Wikipedia

  • Intersection (mathématiques) — Pour les articles homonymes, voir Intersection. Intersection des ensembles A et B Dans la théorie des ensembles, l intersection de deux ensem …   Wikipédia en Français

  • Empty set — ∅ redirects here. For similar looking symbols, see Ø (disambiguation). The empty set is the set containing no elements. In mathematics, and more specifically set theory, the empty set is the unique set having no elements; its size or cardinality… …   Wikipedia

  • Empty triangle — In the game of Go, the empty triangle is the most fundamental example of the concept of bad shape.It consists of a formation (or subformation) of three stones of one colour, occupying a compact arrangement in a 2×2 square, like the triangled… …   Wikipedia

  • Intersection of a polyhedron with a line — In general, a convex polyhedron is defined as the intersection of a finite number of halfspaces. That is, a convex polyhedron is the set of solutions of a system of inequations of the form :Ax le b. There are many problems in which it is useful… …   Wikipedia

  • Finite intersection property — In general topology, the finite intersection property is a property of a collection of subsets of a set X . A collection has this property if the intersection over any finite subcollection of the collection is nonempty.DefinitionLet X be a set… …   Wikipedia

  • Line-plane intersection — 1. No intersection. 2. Point intersection. 3. Line intersection.In analytic geometry, the intersection of a line and a plane can be the empty set, a point, or a line. Distinguishing these cases, and determining equations for the point and line in …   Wikipedia

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