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title
description
image
site name
author
Richard Green
updated
2026-03-03 22:26:22
raw text
A Piece of the Pi: mathematics explained | Richard Green | Substack A Piece of the Pi: mathematics explained Subscribe Sign in Home Podcast Notes Chat Advanced Beginner Bonus Content ➕ Browse By Topic Archive About Facially complete graphs The Four Colour Theorem proves that no more than four colours are required to colour the regions of any map in such a way that no two adjacent regions… Sep 23 • Richard Green 5 Share this post Facially complete graphs apieceofthepi.substack.com Copy link Facebook Email Note Other 8 Wherever you go, I win! In theory, the objective of chess is to capture the king, but in practice, the game ends two moves earlier in the position of checkmate. We can imagine… Sep 16 • Richard Green 9 Share this post Wherever you go, I win! apieceofthepi.substack.com Copy link Facebook Email Note Other 2 Knots and the Menger sponge The Menger sponge is a fractal formed by iterativel...
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