User Casquibaldo - MathOverflow

Casquibaldo

Member for 6 years
Last seen more than 5 years ago

United States

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Math graduate student.

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Apr 3, 2018
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Apr 3, 2018

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19

Prove continuity on a function at every irrational point and discontinuity at every rational point.

15

Prove that the intersection of a finite number of open sets is open.

8

How many subsets are there in a set of size $n$? No combinatorics