List questions from solution-verification

Published on 27 Mar 2026 - 10:08

37

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$\text{Image}(I−K)(V) = \{x−Kx; x \in V \text{closed} \}$ is a closed subspace of hilbert space $H$.

Published on 11 Apr 2026 - 17:16

503

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Proof verification: Composition of onto functions is onto

Published on 02 May 2020 - 21:36

39

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Prove that one set S that is a subset of to the set of the natural numbers is, in reality, the proper set of natural numbers

Published on 02 May 2020 - 22:44

69

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$f_n\to f$ uniformly if, and only if $M_n\to 0$ when $n\to\infty$

Published on 06 Apr 2026 - 1:36

29

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Proof verification for set of equations for generating Pythagorean triples

Published on 10 Apr 2026 - 9:33

238

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Prove the cardinalities of the equivalence classes are the same.

Published on 30 Mar 2026 - 12:02

314

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Prove there is no rational number whose cube is $13$

Published on 03 May 2020 - 1:06

286

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Proof Verification: Special Case of Compactness Theorem For Classical Logic.

Published on 11 Apr 2026 - 12:36

72

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How can I solve this probability problem?

Published on 11 Apr 2026 - 14:08

1.4k

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A linear transformation of $\mathbb{R}^n$ is Lipschitz

Published on 27 Mar 2026 - 5:38

239

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Compute homology groups

Published on 26 Mar 2026 - 6:03

117

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Basic question about limit

Published on 12 Apr 2026 - 3:21

77

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Can this proof be valid for $\bigcap_{n \in \mathbb{N}}(-1/n,1/n) =\{0\}$?

Published on 03 May 2020 - 8:17

97

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Pointwise adjointness theorem

Published on 26 Mar 2026 - 3:09

List Question

Adjoint of integral operator

$\text{Image}(I−K)(V) = \{x−Kx; x \in V \text{closed} \}$ is a closed subspace of hilbert space $H$.

Proof verification: Composition of onto functions is onto

Prove that one set S that is a subset of to the set of the natural numbers is, in reality, the proper set of natural numbers

$f_n\to f$ uniformly if, and only if $M_n\to 0$ when $n\to\infty$

Proof verification for set of equations for generating Pythagorean triples

Prove the cardinalities of the equivalence classes are the same.

Prove there is no rational number whose cube is $13$

Proof Verification: Special Case of Compactness Theorem For Classical Logic.

How can I solve this probability problem?

A linear transformation of $\mathbb{R}^n$ is Lipschitz

Compute homology groups

Basic question about limit

Can this proof be valid for $\bigcap_{n \in \mathbb{N}}(-1/n,1/n) =\{0\}$?

Pointwise adjointness theorem

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