Category Archives: posts without words

Post without words #31

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A few words about PWW #30

A few things about the images in my previous post that you may or may not have noticed: As several commenters figured out, the th diagram (starting with ) is showing every possible subset a set of items. Two subsets … Continue reading

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Post without words #30

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Post without words #29

(This variant was requested by Mark Dominus.)

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Post without words #28

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A few words about PWW #27

The images in my last post were particular realizations of the famous Sieve of Eratosthenes. The basic idea of the sieve is to repeatedly do the following: Circle the next number bigger than that is not yet crossed out, call … Continue reading

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Post without words #27

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