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Explanation of the Proof for the Generalised Inclusion-Exclusion Principle

score 79 · Answer 1 · 2026-03-22 00:49:00

79

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Explanation of the Proof for the Generalised Inclusion-Exclusion Principle

Published on 22 Mar 2026 - 0:49

score 91 · Answer 2 · 2026-03-29 10:26:40

91

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Beginner help at proving two sets are equal

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score 48 · Answer 3 · 2026-03-28 08:50:08

48

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Can I assume the transformation of the domain is the codomain if it is stated that T: V -> W?

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score 2.9k · Answer 4 · 2026-04-09 19:35:10

2.9k

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Why is the set of all infinite binary sequences uncountable but the set of all natural numbers are countable?

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score 94 · Answer 5 · 2026-03-25 07:16:36

94

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score 117 · Answer 6 · 2026-03-24 22:01:23

117

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score 3.3k · Answer 7 · 2026-04-06 09:05:15

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score 70 · Answer 8 · 2026-04-09 09:20:46

70

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Is a set infinite if there exists a bijection between the topological space X and the set?

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score 37 · Answer 9 · 2026-03-26 17:13:23

37

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score 68 · Answer 10 · 2026-03-25 19:05:24

68

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Prove that $cl_{f}(A)= \bigcap\{C:A\subseteq C \subseteq B \text{ and } C \text{ is closed under } f\}$

Published on 25 Mar 2026 - 19:05

score 58 · Answer 11 · 2026-03-22 07:46:56

58

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Equivalent statement for theAxiom of Pairing

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score 305 · Answer 12 · 2026-03-22 00:46:54

305

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Easy proof that $\mathfrak c=\lvert P(\mathbb Z)\rvert$...

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score 57 · Answer 13 · 2026-03-22 09:04:38

57

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1.7k

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score 1k · Answer 15 · 2026-03-21 09:21:11

1k

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Proof of all finite subsets on $\mathbb{R}$ together with complements is not a $\sigma$ algebra

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List Question

Explanation of the Proof for the Generalised Inclusion-Exclusion Principle

Beginner help at proving two sets are equal

Can I assume the transformation of the domain is the codomain if it is stated that T: V -> W?

Why is the set of all infinite binary sequences uncountable but the set of all natural numbers are countable?

Why does proving a set is a subset of another only require you to take a single element of the subset?

Is it possible to prove this version of recursion theorem from the simpler one?

Intuitive (combinatorial) proof of $2^n=\sum_{k=0}^n {n\choose k}$

Is a set infinite if there exists a bijection between the topological space X and the set?

Set notation for matrices where the elements have a given range of possible values

Prove that $cl_{f}(A)= \bigcap\{C:A\subseteq C \subseteq B \text{ and } C \text{ is closed under } f\}$

Equivalent statement for theAxiom of Pairing

Easy proof that $\mathfrak c=\lvert P(\mathbb Z)\rvert$...

Events $A$ and $B$ satisfy $P(A\cup B)=1/2,P(A\cap B)=1/4$ and $P(A\setminus B)=P(B\setminus A)$

Is there a simple bijection between $\mathbb{R}^2$ and lines on a plane?

Proof of all finite subsets on $\mathbb{R}$ together with complements is not a $\sigma$ algebra

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