Mathematics
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William Elliot's user avatar
William Elliot's user avatar
William Elliot
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All Questions Answers
Score Newest
answer
22
Can $\sqrt{n} + \sqrt{m}$ be rational if neither $n,m$ are perfect squares?
Aug 12, 2018
answer
17
Is the empty function differentiable?
Oct 25, 2018
answer
17
Path connected space that is not locally connected
May 5, 2017
answer
17
Is this proof of the Archimedean Property valid?
Sep 17, 2017
answer
15
Are spaces shaped like the digits 0, 8 and 9 homeomorphic topological spaces?
Jan 3, 2019
answer
10
Connected Components are Closed
Oct 23, 2017
answer
9
Topology with only one open proper set
Nov 17, 2019
answer
9
Can we divide $\mathbb{R}^2$ into two path connected parts such that each part is not simply-connected?
Apr 30, 2019
answer
9
Prob. 4, Sec. 27, in Munkres' TOPOLOGY, 2nd ed: Any connected metric space having more than one point is uncountable
Oct 3, 2018
answer
7
Every subset of a countable set is countable, proven by contradiction
Dec 22, 2019

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