Question

What are the main tactics in proofs of theorems?

score 150 · Answer 1 · 2026-03-24 23:46:22

150

Views

What are the main tactics in proofs of theorems?

Published on 24 Mar 2026 - 23:46

score 687 · Answer 2 · 2026-04-10 14:58:11

687

Views

Induction on cartesian products of well-ordered sets (varying cardinality)

Published on 10 Apr 2026 - 14:58

score 89 · Answer 3 · 2026-03-26 09:58:03

89

Views

A regular graph G of degree r where G has n=3r vertices. Prove G has no Bridge

Published on 26 Mar 2026 - 9:58

score 128 · Answer 4 · 2026-04-09 23:06:58

128

Views

Is this Strong Induction approach?

Published on 09 Apr 2026 - 23:06

score 350 · Answer 5 · 2026-04-10 22:09:21

350

Views

Stuck in proving the Fermat's little theorem (with group theory)

Published on 10 Apr 2026 - 22:09

score 40 · Answer 6 · 2018-02-15 00:24:40

40

Views

Complex polynomial division proof

Published on 15 Feb 2018 - 0:24

score 108 · Answer 7 · 2026-04-10 21:25:13

108

Views

How to write a proof? Use English or mathematical notations?

Published on 10 Apr 2026 - 21:25

score 274 · Answer 8 · 2026-04-11 03:47:48

274

Views

Proof Verification of Multiplicative Group of $(Z_n,+,\times)$

Published on 11 Apr 2026 - 3:47

score 560 · Answer 9 · 2026-03-25 06:11:56

560

Views

What does $D_x-xD=1$ mean in mathematics and how can we prove it?

Published on 25 Mar 2026 - 6:11

score 171 · Answer 10 · 2018-02-15 14:09:49

171

Views

How can I prove the values of convergence for $x^n/n$ without using the Ratio or Root test?

Published on 15 Feb 2018 - 14:09

score 1.8k · Answer 11 · 2026-03-26 19:00:43

1.8k

Views

(Proof verification) f, g continuous, agree on a dense subset, implies agree on the whole set

Published on 26 Mar 2026 - 19:00

score 100 · Answer 12 · 2026-03-25 06:11:15

100

Views

A purely geometric proof that pi is irrational?

Published on 25 Mar 2026 - 6:11

score 60 · Answer 13 · 2026-03-30 01:13:22

60

Views

Help prove $f(x)= 0$ for all $x$ when the set $S$ in $\mathbb{R}$ is dense

Published on 30 Mar 2026 - 1:13

score 789 · Answer 14 · 2026-03-29 17:33:58

789

Views

If $x \cos\theta+y\sin\theta=a$ and $x\sin\theta-y\cos\theta=b$, then $\tan\theta=\frac{bx+ay}{ax-by}$. (Math Olympiad)

Published on 29 Mar 2026 - 17:33

score 614 · Answer 15 · 2018-02-16 03:56:42

614

Views

Proving an equation holds for all integers

Published on 16 Feb 2018 - 3:56

List Question

What are the main tactics in proofs of theorems?

Induction on cartesian products of well-ordered sets (varying cardinality)

A regular graph G of degree r where G has n=3r vertices. Prove G has no Bridge

Is this Strong Induction approach?

Stuck in proving the Fermat's little theorem (with group theory)

Complex polynomial division proof

How to write a proof? Use English or mathematical notations?

Proof Verification of Multiplicative Group of $(Z_n,+,\times)$

What does $D_x-xD=1$ mean in mathematics and how can we prove it?

How can I prove the values of convergence for $x^n/n$ without using the Ratio or Root test?

(Proof verification) f, g continuous, agree on a dense subset, implies agree on the whole set

A purely geometric proof that pi is irrational?

Help prove $f(x)= 0$ for all $x$ when the set $S$ in $\mathbb{R}$ is dense

If $x \cos\theta+y\sin\theta=a$ and $x\sin\theta-y\cos\theta=b$, then $\tan\theta=\frac{bx+ay}{ax-by}$. (Math Olympiad)

Proving an equation holds for all integers

Trending Questions

Popular # Hahtags

Popular Questions