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Mathematics
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BrianO

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

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  • Member for 3 years, 6 months
  • 1,558 profile views
  • Last seen Apr 18 at 19:21

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Top Posts (617) All Questions Answers | Votes Newest

26 Is the negation of a non-theorem a theorem? Nov 7 '15
22 Is every relation which is transitive and symmetric also reflexive? Jul 5 '16
17 Quantifier: “For all sets” Dec 10 '15
13 Can a set be neither open nor closed? Oct 12 '15
12 Absolute value and max/min function: why $a + b + |a - b|=2\max(a,b)$? Jan 30 '16
8 Why is the Axiom of Infinity necessary? Jan 31 '16
7 Is this alternative notion of continuity in metric spaces weaker than, or equivalent to the usual one? Dec 1 '15
7 How can a Cauchy sequence converge to an irrational number? Jan 11 '16
7 Is the set of all topological spaces bigger than the set of all metric space? Feb 5 '16
7 Intuitive meaning of the concept “computable” Feb 7 '16
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