List questions from proof-writing

Published on 14 Apr 2026 - 22:27

29

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Inductive proof for mean of a set of numbers is less than or equal to the maximum [collecting inductive proofs]

Published on 15 Apr 2026 - 8:26

443

Views

sufficient conditions for $2$-variable continuity

Published on 11 Apr 2026 - 13:38

119

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Help with my proof that $\lim_{x\to\infty}(1+e^{-x})^{x^2}=1$

Published on 14 Apr 2026 - 16:33

1k

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Proving $ \int_0^1 \ln(\Gamma (x)) \, dx = \ln \sqrt{2π} $

Published on 16 Apr 2026 - 11:03

245

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Is satisfying $\sum_{i=1}^{n}{x_i^{y_i}}=r$ NP Complete?

Published on 15 Apr 2026 - 12:29

313

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Is my proof of "Theorem 1.2" correct?

Published on 14 Apr 2026 - 4:43

52

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How can I prove that a vector minus its average belongs to the orthogonal space C(1)?

Published on 15 Apr 2026 - 18:30

41

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Help with Algebra

Published on 09 Apr 2026 - 1:23

87

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Does a concave polygon always include a convex poligon?

Published on 12 Apr 2026 - 7:46

323

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Uniqueness of the Neumann problem

Published on 06 Apr 2026 - 4:32

64

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Perfecting a proof using Strong Mathematical Induction.

Published on 10 Apr 2026 - 22:28

77

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Prove $\lim \lbrack 5/n\rbrack=0$

Published on 17 Apr 2026 - 10:16

510

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Bernstein polynomial for functions

Published on 14 Apr 2026 - 2:25

104

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How can you prove $1^3 + 2^3+\cdots+(n-1)^3 < \frac{n^4}{4} < 1^3 + 2^3 + \cdots + n^3$ by induction?

Published on 17 Apr 2026 - 3:11

List Question

Show that infinite Cartesian product is uncountable

Inductive proof for mean of a set of numbers is less than or equal to the maximum [collecting inductive proofs]

sufficient conditions for $2$-variable continuity

Help with my proof that $\lim_{x\to\infty}(1+e^{-x})^{x^2}=1$

Proving $ \int_0^1 \ln(\Gamma (x)) \, dx = \ln \sqrt{2π} $

Is satisfying $\sum_{i=1}^{n}{x_i^{y_i}}=r$ NP Complete?

Is my proof of "Theorem 1.2" correct?

How can I prove that a vector minus its average belongs to the orthogonal space C(1)?

Help with Algebra

Does a concave polygon always include a convex poligon?

Uniqueness of the Neumann problem

Perfecting a proof using Strong Mathematical Induction.

Prove $\lim \lbrack 5/n\rbrack=0$

Bernstein polynomial for functions

How can you prove $1^3 + 2^3+\cdots+(n-1)^3 < \frac{n^4}{4} < 1^3 + 2^3 + \cdots + n^3$ by induction?

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