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Source — Euclid's Elements, encoded as an rrxiv paper — rrxiv

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Source — Euclid's Elements, encoded as an rrxiv paper

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X.99 Proposition X.99

The square on a second apotome of a medial straight line applied to a rational straight line produces as breadth a third apotome.

Proof

Inverse of X.93.

lines 74–74 in main.tex