I had a Theorem

A short story by Michael Chirico

Theorem 6-1

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Theorem 6-2

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*Opposite angles of a parallelogram are congruent

Theorem 6-3

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*Opposite angles of a parallelogram are congruent

Theorem 6-4

If three (or more) parallel lines cut off congruent segments on one transversal, then they cut off congruent segments on every transversal.
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