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Hey! I'm Chris Lewis.
I'm a scientist in Frankfurt, Germany.

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Illustrations by my brother, Michael.
Mar
10th
Wed
2010
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Proofs without words: The cardinality of the real number line is the same as a finite open interval of the real number line.

Proofs without words:

The cardinality of the real number line is the same as a finite open interval of the real number line.