List questions from solution-verification

Published on 10 Apr 2026 - 20:01

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Proof that products of vector is a continuous function

Published on 12 Apr 2026 - 23:37

115

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Suppose that F is a non-empty family of sets, B is a set, and $\forall A\in F (A\subseteq B).$ Prove that $\cup F\subseteq B$

Published on 16 Apr 2026 - 0:29

52

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$\tau\in N_{S_A}(H)$ then $\tau$ stabilizes both $F(H)$ and $A-F(H)$

Published on 14 Apr 2026 - 7:39

122

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Proof check: Existence of algebraically independent real numbers (over the rationals).

Published on 09 Apr 2026 - 10:08

100

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Prove that for any $f:A\times A\to A$ and $B\subseteq A$, the closure of $B$ under $f$ exists.

Published on 26 Apr 2026 - 3:27

67

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Constructing $\sqrt{n}$ as the length of a right triangle

Published on 16 Apr 2026 - 12:27

182

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If $A \subsetneq B$ and $B \subsetneq C$, then $A\subsetneq C$.

Published on 15 Apr 2026 - 20:06

66

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Area Bounded Between $y^2=8x + 16$, $y^2=-4x + 28$ and the $x$-axis

Published on 16 Apr 2026 - 5:32

52

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Show biasedness of estimator of discrete uniform distribution

Published on 15 Apr 2026 - 23:00

71

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Continuous maps between covering spaces

Published on 26 Mar 2026 - 12:32

33

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Indexing and $∪_{p∈P}C_p = (∪_{i∈I} A_i)\times (∪_{i∈I} B_i)$

Published on 27 Apr 2026 - 21:18

105

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Connection between a branch of logarithm and simply connected domains

Published on 14 Apr 2026 - 4:57

33

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Some advices with simple number theory

Published on 13 Apr 2026 - 8:51

58

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Prove that if $A\subseteq B\setminus C$ then A and C are disjoint.

Published on 15 Apr 2026 - 6:35

List Question

Equivalence of boundedness definitions

Proof that products of vector is a continuous function

Suppose that F is a non-empty family of sets, B is a set, and $\forall A\in F (A\subseteq B).$ Prove that $\cup F\subseteq B$

$\tau\in N_{S_A}(H)$ then $\tau$ stabilizes both $F(H)$ and $A-F(H)$

Proof check: Existence of algebraically independent real numbers (over the rationals).

Prove that for any $f:A\times A\to A$ and $B\subseteq A$, the closure of $B$ under $f$ exists.

Constructing $\sqrt{n}$ as the length of a right triangle

If $A \subsetneq B$ and $B \subsetneq C$, then $A\subsetneq C$.

Area Bounded Between $y^2=8x + 16$, $y^2=-4x + 28$ and the $x$-axis

Show biasedness of estimator of discrete uniform distribution

Continuous maps between covering spaces

Indexing and $∪_{p∈P}C_p = (∪_{i∈I} A_i)\times (∪_{i∈I} B_i)$

Connection between a branch of logarithm and simply connected domains

Some advices with simple number theory

Prove that if $A\subseteq B\setminus C$ then A and C are disjoint.

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