Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °

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decided

#26. Did you know?

Igor Stravinsky’s Violin Concerto was written for the Polish-born American violinist Samuel Dushkin. There are four movements, each beginning with the same chord (in different configurations).

I enjoyed listening to it on BBC Radio 3 just now, Renaud Capuçon the soloist with the Konzerthausorchester Berlin conducted by Iván Fischer.

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**Nehushtan**- Replies: 3

Anis a topological subspace of such that given any pointn-dimensional (real) manifoldxin there exists a real number (depending onx) such that the open ball is homeomorphic to .

**Nehushtan**- Replies: 0

Wel said.

I learn that Sibi is a city in Pakistan, Sibiu is a city in Romania, and Sibu is a city in Malaysia.

*Rafflesia arnoldii*, a parasitic plant that grows in the rainforests of Indonesia.

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Apparently the smallest number has 18 digits.

https://www.youtube.com/watch?v=1lHDCAIsyb8

https://mindyourdecisions.com/blog/2017 … ay-puzzle/

I don't get it: why is it not possible to solve the problem with *n* = 2?