[grammar] In linguistics, transitivity is a property of verbs that relates to whether a verb can take direct objects and how many such objects a verb can take. It is closely related to valency, which considers other verb arguments in addition to direct objects. The obligatory noun phrases and prepositional phrases determine how many argumen... Found on http://en.wikipedia.org/wiki/Transitivity_(grammar)
A dyadic relation R is transitive if, whenever xRy and yRz both hold, xRz also holds. Important examples of transitive relations are the relation of identity or equality; the relation less than among whole numbers, or among rational numbers, or among real numbers, the relation precedes among instants of time (as usually taken); the relation of cla.... Found on https://www.encyclo.co.uk/local/21203