List questions from proof-explanation

Published on 12 Apr 2026 - 4:29

230

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Deriving quadratic formula for complex variable with complex coefficents

Published on 12 Apr 2026 - 14:59

876

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Deriving proof that $x^2 = 2^x$ has three real solutions

Published on 14 Apr 2026 - 13:10

6k

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Proof by induction on derivative

Published on 13 Apr 2026 - 7:50

70

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Explaination of the Contractive Proof

Published on 17 Apr 2026 - 14:39

670

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How to prove $\sqrt{5}-\sqrt{3}$ is bigger than $\sqrt{15}-\sqrt{13}$

Published on 10 May 2026 - 19:38

376

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Acyclic tournament by reversing edges of minimal cycle cover

Published on 16 Apr 2026 - 14:24

113

Views

Maclaurin series for $f(x)=e^x$ proof

Published on 16 Apr 2026 - 22:31

88

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Proof by strong induction basis case requirement

Published on 09 Apr 2026 - 13:30

1.1k

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Prove the space of bounded sequences is Banach

Published on 14 Apr 2026 - 4:44

1.1k

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Prime field of a characteristic zero field is isomorphic to $\mathbb{Q}$

Published on 16 Apr 2026 - 12:57

531

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A formal proof that $ (P \Rightarrow Q) $ is equivalent to its contrapositive $ (\neg Q \Rightarrow \neg P) $.

Published on 16 Apr 2026 - 20:34

222

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(From Axler)Why does these two proof of these questions not contradict to each other?

Published on 14 Apr 2026 - 4:52

1.4k

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Proving that compactness implies the Finite Intersection Property

Published on 14 Apr 2026 - 22:04

285

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Show that a function is a bijection.

Published on 13 Apr 2026 - 19:37

List Question

A faster way than tedious multiplying

Deriving quadratic formula for complex variable with complex coefficents

Deriving proof that $x^2 = 2^x$ has three real solutions

Proof by induction on derivative

Explaination of the Contractive Proof

How to prove $\sqrt{5}-\sqrt{3}$ is bigger than $\sqrt{15}-\sqrt{13}$

Acyclic tournament by reversing edges of minimal cycle cover

Maclaurin series for $f(x)=e^x$ proof

Proof by strong induction basis case requirement

Prove the space of bounded sequences is Banach

Prime field of a characteristic zero field is isomorphic to $\mathbb{Q}$

A formal proof that $ (P \Rightarrow Q) $ is equivalent to its contrapositive $ (\neg Q \Rightarrow \neg P) $.

(From Axler)Why does these two proof of these questions not contradict to each other?

Proving that compactness implies the Finite Intersection Property

Show that a function is a bijection.

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