List questions from proof-explanation

Published on 12 Apr 2026 - 2:36

1.5k

Views

Why do I have to negate the definition of an intersection to prove that complement (A∩B) = complement(A) ∪ complement(B)?

Published on 12 Apr 2026 - 16:15

31

Views

If $B:\mathbb{R}^2 \to \mathbb{R}^2$ is a bijective map that preserves lines and $B(l)\subseteq k$, then $B(l)=k$.

Published on 14 Apr 2026 - 21:27

1.9k

Views

What is the Big-O time complexity of n to the power n

Published on 14 Apr 2026 - 9:38

44

Views

Proof Techniques of Subsets

Published on 09 Apr 2026 - 10:48

352

Views

Strongly differentiable function has inverse satisfying Lipschitz condition

Published on 14 Apr 2026 - 16:15

11.9k

Views

Prove that (A-B) - C ⊆ A - C

Published on 17 Apr 2026 - 6:15

83

Views

How to get the following complex acyclic?

Published on 10 Apr 2026 - 21:00

118

Views

Understanding the proof that $C_b(\mathbb{R})$ is complete.

Published on 11 Apr 2026 - 21:18

34

Views

proof of "conjugacy theorem of BSA" following Humphreys

Published on 09 Apr 2026 - 16:26

76

Views

Using the compact property of subsets in $R$ to prove Bolzano-Weierstrass Theorem

Published on 15 Apr 2026 - 12:47

74

Views

Characterization of implication in a complete Heyting algebra

Published on 12 Apr 2026 - 19:02

479

Views

Partial proof explanation: Every bounded sequence in $R^k$ contains a convergent subsequence.

Published on 13 Apr 2026 - 16:39

147

Views

What does $|s_a-x|\in W$ mean where $W$ is a nbd of $0\ ?$

Published on 14 Apr 2026 - 9:37

42

Views

How to find and odd number $n$ s.t. $nV\subset W$?

Published on 10 May 2026 - 16:12

List Question

Discrete Math Proof of Inequalities

Why do I have to negate the definition of an intersection to prove that complement (A∩B) = complement(A) ∪ complement(B)?

If $B:\mathbb{R}^2 \to \mathbb{R}^2$ is a bijective map that preserves lines and $B(l)\subseteq k$, then $B(l)=k$.

What is the Big-O time complexity of n to the power n

Proof Techniques of Subsets

Strongly differentiable function has inverse satisfying Lipschitz condition

Prove that (A-B) - C ⊆ A - C

How to get the following complex acyclic?

Understanding the proof that $C_b(\mathbb{R})$ is complete.

proof of "conjugacy theorem of BSA" following Humphreys

Using the compact property of subsets in $R$ to prove Bolzano-Weierstrass Theorem

Characterization of implication in a complete Heyting algebra

Partial proof explanation: Every bounded sequence in $R^k$ contains a convergent subsequence.

What does $|s_a-x|\in W$ mean where $W$ is a nbd of $0\ ?$

How to find and odd number $n$ s.t. $nV\subset W$?

Trending Questions

Popular # Hahtags

Popular Questions