Euler's circles

/ ˈɔɪ��ə�� /

plural noun

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

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named after Leonhard Euler

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Examples have not been reviewed.

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

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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.

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

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

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