List questions from alternative-proof

Published on 13 Apr 2026 - 17:13

57

Views

Check my proof: Showing how $\frac{c-a}{d-b}$ compares to $\min(\frac{a}{b},\frac{c}{d})$ and $\max(\frac{a}{b},\frac{c}{d})$

Published on 22 Apr 2026 - 21:34

282

Views

Exercise 13, Section 18 of Munkres’ Topology

Published on 16 Apr 2026 - 14:16

96

Views

proving that Every ring of prime order is commutative

Published on 16 Apr 2026 - 11:12

272

Views

Extension of a partial order to a total order

Published on 25 Apr 2026 - 2:32

191

Views

Theorem 19.6 of Munkres’ Topology

Published on 14 Apr 2026 - 2:21

99

Views

Is the following a valid countable dense subset of (0,1) the open unit interval?

Published on 11 Apr 2026 - 23:16

63

Views

Prove $\exists A:\forall x: \big(\varphi(x)\implies x\in A\big)$ implies $\{x\in A:\varphi(x)\}$ exists and does not depend on $A$

Published on 13 Apr 2026 - 3:15

60

Views

Subset with only digits $0$ and $1$ in their decimal expansion

Published on 13 Apr 2026 - 1:53

112

Views

Convergence of double integral involving logarithms and binomials? Can anyone present a simpler proof?

Published on 12 Apr 2026 - 22:50

145

Views

Theorem 20.4 of Munkres’ Topology

Published on 17 Apr 2026 - 8:04

303

Views

Proof request: Polynomial long division proof aimed at pre-calculus level of knowledge

Published on 15 Apr 2026 - 10:09

127

Views

Proving that $81$ $K_4^3$'s cannot be packed in a doubled $K_{11}^3$

Published on 25 Mar 2026 - 21:48

119

Views

Find all functions $f: \mathbb R \rightarrow \mathbb R$ such that $f(xf(x)+f(y))=(f(x))^2+y$ $\; \forall \; x,y \; \in \mathbb R$

Published on 22 Apr 2026 - 20:59

31

Views

Verfiying the solution to a simple problem real about an inequality

Published on 11 Apr 2026 - 19:05

List Question

Exercise 1, Section 18 of Munkres’ Topology

Check my proof: Showing how $\frac{c-a}{d-b}$ compares to $\min(\frac{a}{b},\frac{c}{d})$ and $\max(\frac{a}{b},\frac{c}{d})$

Exercise 13, Section 18 of Munkres’ Topology

proving that Every ring of prime order is commutative

Extension of a partial order to a total order

Theorem 19.6 of Munkres’ Topology

Is the following a valid countable dense subset of (0,1) the open unit interval?

Prove $\exists A:\forall x: \big(\varphi(x)\implies x\in A\big)$ implies $\{x\in A:\varphi(x)\}$ exists and does not depend on $A$

Subset with only digits $0$ and $1$ in their decimal expansion

Convergence of double integral involving logarithms and binomials? Can anyone present a simpler proof?

Theorem 20.4 of Munkres’ Topology

Proof request: Polynomial long division proof aimed at pre-calculus level of knowledge

Proving that $81$ $K_4^3$'s cannot be packed in a doubled $K_{11}^3$

Find all functions $f: \mathbb R \rightarrow \mathbb R$ such that $f(xf(x)+f(y))=(f(x))^2+y$ $\; \forall \; x,y \; \in \mathbb R$

Verfiying the solution to a simple problem real about an inequality

Trending Questions

Popular # Hahtags

Popular Questions