List questions from proof-explanation

Published on 25 Mar 2026 - 6:17

69

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Clarification on contrapositive logic

Published on 27 Apr 2018 - 13:11

54

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Circular Logic in proof writing

Published on 27 Apr 2018 - 18:59

256

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statistical proof chi squared distribution

Published on 25 Mar 2026 - 18:59

271

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Clarification of Hurwitz's Theorem in C

Published on 25 Mar 2026 - 3:02

431

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Proof involving row equivalent matrices

Published on 28 Apr 2018 - 12:50

293

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Proof explanation: Division Algorithm

Published on 28 Apr 2018 - 14:16

38

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$h$ is a homomorphism, $f$ is any map and $a \neq b$. Then $h(f(a)) \neq h(f(b)) \implies f(a) \neq f(b)$

Published on 27 Mar 2026 - 1:00

126

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A question regarding a proof pertaining to: for all $n\in\omega$, $(\aleph_{n+1})^{\aleph_0}\leq\aleph_{n+1}\cdot(\aleph_n)^{\aleph_0}$

Published on 25 Mar 2026 - 19:12

339

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Understanding proof of positivity of invariant distribution

Published on 25 Mar 2026 - 4:29

837

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Convergence of projections onto a nested sequence of subspaces of a Hilbert space

Published on 25 Mar 2026 - 1:17

149

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Set of all functions and showing same cardinality

Published on 25 Mar 2026 - 19:10

2.7k

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Prove that $\frac{1}{\sqrt{x}}$ is continuous on $(0,\infty)$.

Published on 30 Apr 2018 - 6:43

27

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Proving a subset F is closed if and only if any vector sequences in F's limit is also in F

Published on 30 Apr 2018 - 7:56

389

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doubts in Cauchy-Schwarz inequality proof

Published on 26 Mar 2026 - 20:54

List Question

Tiling a rectangle with squares

Clarification on contrapositive logic

Circular Logic in proof writing

statistical proof chi squared distribution

Clarification of Hurwitz's Theorem in C

Proof involving row equivalent matrices

Proof explanation: Division Algorithm

$h$ is a homomorphism, $f$ is any map and $a \neq b$. Then $h(f(a)) \neq h(f(b)) \implies f(a) \neq f(b)$

A question regarding a proof pertaining to: for all $n\in\omega$, $(\aleph_{n+1})^{\aleph_0}\leq\aleph_{n+1}\cdot(\aleph_n)^{\aleph_0}$

Understanding proof of positivity of invariant distribution

Convergence of projections onto a nested sequence of subspaces of a Hilbert space

Set of all functions and showing same cardinality

Prove that $\frac{1}{\sqrt{x}}$ is continuous on $(0,\infty)$.

Proving a subset F is closed if and only if any vector sequences in F's limit is also in F

doubts in Cauchy-Schwarz inequality proof

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