High Quality Content by WIKIPEDIA articles! In geometry (mathematics), when two coplanar lines exist such that a third coplanar line passes thru both lines. This third line is named the Transversal. In combinatorial mathematics, given a collection C of sets, a transversal is a set containing exactly one element from each member of the collection: it is a section of the quotient map induced by the collection. If the original sets are not disjoint, there are several different definitions. One variation is that there is a bijection f from the transversal to C such that x is an element of f(x) for each x in the transversal. Then the set is also called a system of distinct representatives. A less restrictive definition requires that the transversal just has a non-empty intersection with each member of C. Данное издание представляет собой компиляцию сведений, находящихся в свободном доступе в среде Интернет в целом, и в информационном сетевом ресурсе "Википедия" в частности. Собранная по...

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