# Brianchon's Theorem is Projective Dual to Pascal's Theorem

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## Theorem

Brianchon's Theorem is the projective dual of Pascal's Theorem.

## Proof

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## Sources

- 1986: David Wells:
*Curious and Interesting Numbers*... (previous) ... (next): $6$ - 1997: David Wells:
*Curious and Interesting Numbers*(2nd ed.) ... (previous) ... (next): $6$