Spanish Viktor Wagner Cited by user CommanderWaterford on 30 Dec 2022 Viktor Vladimirovich Wagner, también Vagner (en ruso: Виктор Владимирович Вагнер) (4 de noviembre de 1908 - 15 de agosto de 1981) fue un matemático ruso, conocido sobre…
English Heterogeneous relation Cited by user Jochen Burghardt on 16 Jun 2021 REDIRECT Binary relation#Heterogeneous relation.
English Binary relation Cited by user Jochen Burghardt on 12 Jun 2021 In mathematics, a binary relation over sets and is a subset of the Cartesian product ; that is, it is a set of ordered pairs consisting of elements in and in .