The Square Root of 2 is Irrational (Geometric Proof)

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The Perceptron, and All the Things it Can't Perceive

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A Dash of Python

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Programming Primers—An Introduction

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Number Theory—A Primer

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Encryption & RSA

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False Proof—All Numbers are Describable in at Most Twenty Words

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Eigenfaces, for Facial Recognition

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Inner Product Spaces—A Primer

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Möbius Transformations are Isometries of a Sphere

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Hunting Serial Killers

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False Proof—The Reals are Countable

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False Proof—All Horses are the Same Color

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Graph Coloring, or Proof by Crayon

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Three Circles and Collinear Centers of Dilation

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Optimally Stacking the Deck—Kicsi Poker

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Set Theory—A Primer

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False Proof—31.5 = 32.5

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False Proof—There are Finitely Many Primes

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False Proof—1 = 2

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