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

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  • Member for 9 months
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  • Last seen Jun 30 at 20:33

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4 Show that every countable well-ordered set is order isomorphic to a subset of $\mathbb{Q}$ Jan 24
3 Prove or disprove this set equality. Mar 9
2 If $\int^2_0 f(x)dx=7$ and $\int^6_2 f(x)dx=15$, what is $\int^6_0 f(x)dx$? May 8
2 Is $(I-A)v = Iv - Av = Iv - \mu v = (I- \mu)v$ for an eigenvector $v$ with eigenvalue $\mu$ of $A$? May 29
2 Am I allowed to substitute terms when reasoning in Peano Arithmetic? Nov 22 '19
1 Does random variable $X<\infty$ almost surely imples that $E(X)<\infty \ a.s$ Nov 15 '19
1 Grammar for language not ending on “01” Dec 3 '19
1 A string is chosen uniformly at random from the set of all binary strings of length n. Show that the expected number of zeroes is n/2 Dec 9 '19
1 Union of Hamiltonian graphs Dec 11 '19
1 How does this proof that demonstrate that if $f(n) \in O(n)$ then $[f(n)]^2 \in O(n^2)$ work? Feb 20
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