List questions from alternative-proof

Published on 09 Mar 2018 - 14:37

288

Views

Any open neighborhood of a boundary point contains an interior point and an exterior point.

Published on 10 Mar 2018 - 15:35

178

Views

Are there other proofs of Fermat's theorem other than Wiles?

Published on 11 Mar 2018 - 1:19

2.2k

Views

Alternative proof for continuity of matrix inversion

Published on 12 Mar 2018 - 10:06

1.3k

Views

A characterization of 'orthogonal' matrices

Published on 25 Mar 2026 - 9:34

40

Views

Proof Verification/Help: Convergence of sequence

Published on 14 Mar 2018 - 6:03

67

Views

Proof Help: Showing Divergence and Convergence

Published on 14 Mar 2018 - 11:04

128

Views

A line that goes through the orthocenter and parallel to one side of the triangle

Published on 14 Mar 2018 - 14:02

97

Views

Prove linear independence of functions $1,x,x^2,...,x^n$

Published on 14 Mar 2018 - 15:48

225

Views

Evaluate $\int_0^1\frac{\sin (\pi xs)\sin\left(\pi x (1-s) \right)}{\sin(\pi s)}\,ds$

Published on 25 Mar 2026 - 1:28

40

Views

Proof verification on invertible matrices

Published on 15 Mar 2018 - 1:43

706

Views

Verifying the uniqueness of product measure without Hahn-Kolmogorov Theorem.

Published on 15 Mar 2018 - 5:48

35

Views

solving polynomial equation (showing non-negativity)

Published on 13 Mar 2026 - 18:27

291

Views

Is there a purely syntactic proof of modus ponens with tableau?

Published on 17 Mar 2018 - 9:52

58

Views

Let $f : X \to Y$ be surjective. Show that there exists an injection $h : Y \to X$ such that $f \circ h = Id_Y$

Published on 18 Mar 2018 - 9:48

List Question

System of $m$ homogeneous equations in $n$ unknowns

Any open neighborhood of a boundary point contains an interior point and an exterior point.

Are there other proofs of Fermat's theorem other than Wiles?

Alternative proof for continuity of matrix inversion

A characterization of 'orthogonal' matrices

Proof Verification/Help: Convergence of sequence

Proof Help: Showing Divergence and Convergence

A line that goes through the orthocenter and parallel to one side of the triangle

Prove linear independence of functions $1,x,x^2,...,x^n$

Evaluate $\int_0^1\frac{\sin (\pi xs)\sin\left(\pi x (1-s) \right)}{\sin(\pi s)}\,ds$

Proof verification on invertible matrices

Verifying the uniqueness of product measure without Hahn-Kolmogorov Theorem.

solving polynomial equation (showing non-negativity)

Is there a purely syntactic proof of modus ponens with tableau?

Let $f : X \to Y$ be surjective. Show that there exists an injection $h : Y \to X$ such that $f \circ h = Id_Y$

Trending Questions

Popular # Hahtags

Popular Questions