A standard three-circle Venn diagram contains seven regions.If we represent propositions using the traditional view of existential import, how many of the seven regions are needed to represent one categorical proposition?

Question

Quizplus · Accepted Answer

In the traditional view of existential import, categorical propositions can be represented using 2, 4, or 6 regions of a Venn diagram, depending on the type of proposition (universal or particular) and whether it is affirmative or negative.

A Standard Three-Circle Venn Diagram Contains Seven Regions