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William Elliot

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 1 year, 7 months
  • 1,321 profile views
  • Last seen 1 min ago

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Top Posts (610) All Questions Answers | Votes Newest

10 Path connected space that is not locally connected May 5 '17
8 Prob. 4, Sec. 27, in Munkres' TOPOLOGY, 2nd ed: Any connected metric space having more than one point is uncountable Oct 3
6 Is the set $\left\{x \in Q\colon x^2 \le 2\right\}$ open or closed? Jun 18 '17
5 How can one use the “other” axioms of a Topology? Apr 15 '17
4 If $A$ countable then $\Bbb{R}^2\setminus A$ is path connected Dec 9 '17
4 “Except” in predicate logic Sep 22
4 Is $\DeclareMathOperator{int}{int}\int(A\cup B)=\int(A)\cup \int(B)$? Jul 28
3 Proof for: $x \in \overline{A} \iff (x_n)_n$ exists in $A$ with $x_n \to x$ Jun 4
3 Well-order on infinite set with property Jun 20
3 How to prove that $A - (A \cap B) = A - B$ Jun 25
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