List questions from proof-verification

Published on 09 Apr 2026 - 11:19

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Boundary Points and Metric space

Published on 10 Apr 2026 - 23:20

60

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Verify from this proof of $\lim x^2$

Published on 16 Apr 2026 - 12:20

221

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Every map $S^1 \rightarrow X$ is homotopic to a constant map $\rightarrow$ every map $S^1 \rightarrow X$ extends to a map $D^2 \rightarrow X$

Published on 18 Apr 2026 - 4:23

64

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Correct Hilbert Style proof for $\vdash (A\vee B) \equiv (A \vee C)$?

Published on 16 Apr 2026 - 10:07

125

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Verify proof that $(a_n) \rightarrow l \in \mathbb{R}$ and $(b_n) \rightarrow 0$ implies $(a_nb_n) \rightarrow 0$?

Published on 16 Apr 2026 - 1:28

439

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Every map $S^1 \rightarrow X$ extends to a map $D^2 \rightarrow X$ implies $\pi_1(X,x_0)$ is trivial

Published on 18 Apr 2026 - 4:22

773

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Events are independent or not independent in the following example?

Published on 12 Apr 2026 - 16:44

266

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Proof that 1-P(B|C)=P(~B|C). Is everything correct?

Published on 15 Apr 2026 - 15:58

46

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Product function exercise.

Published on 13 Apr 2026 - 11:41

318

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Constructing an increasing sequence of numbers from a set

Published on 13 Apr 2026 - 16:17

64

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Checking a proof that the equality $ax^2+bx+c=0$ is never true for integer $a , b$ and $c$ if $ x = 2^{\frac{1}{3}} $

Published on 15 Apr 2026 - 9:18

1.1k

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How does Luhn algorithim actually work?

Published on 10 Apr 2026 - 0:09

28

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Proof for $H < 1$ (bits) $\implies$ $p_i > 0.5$ for some $i$

Published on 13 Apr 2026 - 4:05

56

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Prove that given two elements $a,b$ of relatively prime degree in a field extension $K$, $F(a) \cap F(b) = F$

Published on 16 Apr 2026 - 3:40

List Question

Eigenvector with complex numbers

Boundary Points and Metric space

Verify from this proof of $\lim x^2$

Every map $S^1 \rightarrow X$ is homotopic to a constant map $\rightarrow$ every map $S^1 \rightarrow X$ extends to a map $D^2 \rightarrow X$

Correct Hilbert Style proof for $\vdash (A\vee B) \equiv (A \vee C)$?

Verify proof that $(a_n) \rightarrow l \in \mathbb{R}$ and $(b_n) \rightarrow 0$ implies $(a_nb_n) \rightarrow 0$?

Every map $S^1 \rightarrow X$ extends to a map $D^2 \rightarrow X$ implies $\pi_1(X,x_0)$ is trivial

Events are independent or not independent in the following example?

Proof that 1-P(B|C)=P(~B|C). Is everything correct?

Product function exercise.

Constructing an increasing sequence of numbers from a set

Checking a proof that the equality $ax^2+bx+c=0$ is never true for integer $a , b$ and $c$ if $ x = 2^{\frac{1}{3}} $

How does Luhn algorithim actually work?

Proof for $H < 1$ (bits) $\implies$ $p_i > 0.5$ for some $i$

Prove that given two elements $a,b$ of relatively prime degree in a field extension $K$, $F(a) \cap F(b) = F$

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