List questions from proof-writing

3.6k

Views

My first proof that uses the well-ordering principle (very simple number theory). Please mark/grade.

Published on 13 Apr 2026 - 16:27

107

Views

Show that there are descending open sets $\{G_n\}$ so that $E\subseteq G_n$ for all $n \in \mathbb N$ and $ \lim_{n\to\infty} m(G_n)=m(E)$

Published on 14 Apr 2026 - 19:17

10k

Views

Proving the Division Algorithm using induction

Published on 14 Apr 2026 - 9:36

1k

Views

Let a, b, c, d be rational numbers...

Published on 16 Apr 2026 - 19:42

4.9k

Views

Using Pigeonhole Principle for a graph proof

Published on 15 Apr 2026 - 16:36

344

Views

Span and Smallest Submodule Proof

Published on 14 Apr 2026 - 11:43

9.7k

Views

Proof for a graph distance

Published on 24 Apr 2026 - 9:35

1.8k

Views

Help with graph induction proof

Published on 24 Apr 2026 - 11:16

371

Views

Best proof of some theorems in calculus

Published on 13 Apr 2026 - 19:09

978

Views

Prove the least upper bound property using Bolzano Weierstrass theorem

Published on 15 Apr 2026 - 5:35

1.2k

Views

hyperbolic geometry proof with parallel lines

Published on 10 Apr 2026 - 4:14

70

Views

Help with a proof I came across

Published on 10 Apr 2026 - 6:09

272

Views

Proving sequence statement using mathematical induction, $d_n = \frac{2}{n!}$

Published on 13 Apr 2026 - 8:18

45

Views

Splitting Fields Proof

Published on 12 Apr 2026 - 20:02

59

Views

Divisors of prime factorizations

Published on 11 Apr 2026 - 6:13

List Question

My first proof that uses the well-ordering principle (very simple number theory). Please mark/grade.

Show that there are descending open sets $\{G_n\}$ so that $E\subseteq G_n$ for all $n \in \mathbb N$ and $ \lim_{n\to\infty} m(G_n)=m(E)$

Proving the Division Algorithm using induction

Let a, b, c, d be rational numbers...

Using Pigeonhole Principle for a graph proof

Span and Smallest Submodule Proof

Proof for a graph distance

Help with graph induction proof

Best proof of some theorems in calculus

Prove the least upper bound property using Bolzano Weierstrass theorem

hyperbolic geometry proof with parallel lines

Help with a proof I came across

Proving sequence statement using mathematical induction, $d_n = \frac{2}{n!}$

Splitting Fields Proof

Divisors of prime factorizations

Trending Questions

Popular # Hahtags

Popular Questions