Euler's circles

/ ˈɔɪləz /

plural noun

1. logic a diagram in which the terms of categorial statements are represented by circles whose inclusion in one another represents the inclusion of the extensions of the terms in one another Compare Venn diagram

Word History and Origins

Origin of Euler's circles¹

named after Leonhard Euler

Example Sentences

Euler’s circles could not do something that a modified approach could — allow for a mechanical way of doing logic.

From Salon

He tried to use Euler’s circles to illustrate Boole’s algebra of truth-values, but Euler’s representational system would not quite do the trick.

From Salon

He could restructure Euler’s circles to automate classical logic.

From Salon

The relations between the terms in the four forms are represented by simple diagrams known as Euler's circles.

From Project Gutenberg