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This is Numberphile. We mainly post videos about mathematics and just numbers in general.

Philosophy of Numbers

Philosophy of Numbers

We revisit the philosophy department and the question of whether numbers really exist?
Featuring Mark Jago from the University of Nottingham.

Earlier video on numbers' existence: https://youtu.be/1EGDCh75SpQ
Infinity paradoxes: https://youtu.be/dDl7g_2x74Q

Film and interview by Brady Haran

Edit and animation: Pete McPartlan
Pete: https://twitter.com/petemcpartlan

Fold and Cut Theorem

Fold and Cut Theorem

Langton's Ant

Langton's Ant