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Mathematics
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dcolazin
  • Member for 5 years, 6 months
  • Last seen more than a week ago
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Apparently, I prefer to keep an air of mystery about me.

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6
prove that (f: ℕ-->ℕ is strictly increasing) ⇒ ∀(x ∈ ℕ)[ x <= f(x)]
Aug 3, 2019
answer
5
Is there a function such that $f(x+y) = f(xy)$?
Aug 29, 2019
answer
5
Find a group that contains elements $a$ and $b$ such that $|a|=2, |b|=11$ and $|ab|=2.$
Aug 5, 2019
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5
Is the assumption (the set is not empty) really needed for my proof
Aug 19, 2019
answer
4
Prove $\lceil z \rceil=z+\frac12-\frac{\tan^{-1}(\tan(\pi(z+0.5)))}{\pi}$ when $z$ is not an integer
Jun 2, 2019
answer
4
Proof by Induction: $∀n ≥ 5, 2^n + 2n < n!$
Apr 29, 2019
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4
Find the sum of the even-degree coefficients
Jul 6, 2019
answer
4
Set theory : is union of more than two sets possible
Aug 25, 2019
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3
Show that for every $v\in\mathbb R^6$ there is a $0\ne w\in\mathbb R^6$ such that $B(v,w)=B(w,w)=0$.
Jun 6, 2019
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3
Why is this set empty?
Jul 4, 2019
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8
Empty Feign configuration is not extended
6
Is it possible to visualize gradients in comet-ml?