UGC NET Paper 1 GA 2018 July Solved Paper

A Venn diagram is a diagram that shows all possible logical relations between a finite collection of different sets. These diagrams depict elements as points in the plane, and sets as regions inside closed curves. It is a method of testing the validity of arguments.lt represents both the premises of a syllogism in one diagram.lt can be used to represent classes as well as propositions. Venn diagrams were conceived around 1880 by John Venn. They are used to teach elementary set theory, as well as illustrate simple set relationships in probability, logic, statistics, linguistics, and computer science.