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[–]zyxzevn🐈‍⬛ 7 insightful - 2 fun7 insightful - 1 fun8 insightful - 2 fun -  (1 child)

It seems to me that who-ever invented ethnomathematics,
does completely NOT understand what mathematics is.
This is not the first time we have seen this nonsense.

Reminds me of a law in Indiana that promoted PI=3.2: https://en.wikipedia.org/wiki/Indiana_Pi_Bill

Or the PI=4 as explained in this video:
https://www.khanacademy.org/math/math-for-fun-and-glory/vi-hart/pi-tau/v/rhapsody-on-the-proof-of-pi-4

And mathematics has been a battle in Greece:
https://www.youtube.com/watch?v=5sKah3pJnHI
Where someone was killed for proving that Sqrt(2) is not a ratio.

Old cultures from everywhere, including Asian and south America, Japan, Egypt, were all into maths.
The same maths.

[–]AnotherClosetAtheist 4 insightful - 5 fun4 insightful - 4 fun5 insightful - 5 fun -  (0 children)

I'm so mad that Archimedes used an ingenious way to use multiple polygons of increasing sides touching the perimeter of a circle with a known diamter to approximate pi to slightly over 3.14.

White math.

I listened to a Peruvian flute band and I experienced in my heart that the ratio of the circumference to the diameter of a circle is exactly 3.