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Scott - Слава Україні

1,0161 gold badge13 silver badges27 bronze badges

earned this badge 6 times.

What are some counter-intuitive results in mathematics that involve only finite objects?

Awarded Aug 29, 2020 at 16:15

'Obvious' theorems that are actually false

Awarded Dec 12, 2019 at 22:20

Calculating the length of the paper on a toilet paper roll

Awarded Dec 12, 2019 at 22:20

Proof verification: Let $a$ be an irrational number and $r$ be a nonzero rational number. If $s$ is a rational number then $ar$ + $s$ is irrational

Awarded Sep 2, 2019 at 21:25

Is $\{\emptyset\}$ a subset of $\{\{\emptyset\}\}$?

Awarded Feb 24, 2018 at 3:52

Prove that the product of a non-zero rational and irrational number is irrational.

Awarded Oct 17, 2017 at 16:18

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