Square of opposition (nonfiction): Difference between revisions

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Early diagrams were drawn several centuries later by Apuleius and Boethius.
Early diagrams were drawn several centuries later by Apuleius and Boethius.
== In the News ==


== Fiction cross-reference ==
== Fiction cross-reference ==

Revision as of 18:22, 17 June 2016

Square of opposition from book by John Major, published Venice, 15th century.

The square of opposition is a diagram representing the relations between four propositions or four concepts.

The origin of the square can be traced back to Aristotle (nonfiction) making the distinction between two oppositions: contradiction and contrariety, although Aristotle did not draw any diagram.

Early diagrams were drawn several centuries later by Apuleius and Boethius.

In the News

Fiction cross-reference

Nonfiction cross-reference

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