Venn diagram: Difference between revisions

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== Fiction cross-reference ==
== Fiction cross-reference ==
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* [[John Venn]]
* [[John Venn]]

Revision as of 07:40, 6 June 2016

Writer/sorceror Roger Zelazny (working with artist William Blake) conjures a Venn diagram against an unnamed demon.

A Venn diagram is a machine (nonfiction) for detecting and repelling demons (nonfiction).

In addition, Venn diagrams show all possible logical relations between a finite collection of different sets; see Venn diagram (nonfiction).

Roger Zelazny

Writer/sorceror Roger Zelazny is famous for using Venn diagrams to trap demons.

He frequently then hypnotizes the demons and makes them perform embarrassing tricks in front of live audiences.

Fiction cross-reference

Nonfiction cross-reference