Question

Probability space in set situation

score 69 · Answer 1 · 2026-04-12 10:27:03

69

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Probability space in set situation

Published on 12 Apr 2026 - 10:27

score 52 · Answer 2 · 2026-04-11 03:45:52

52

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Proof of duality law $E-\bigcap_i A_i = \bigcup_i (E-A_i)$

Published on 11 Apr 2026 - 3:45

score 43 · Answer 3 · 2026-04-11 21:01:27

43

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Need Help With Simple Mathematical Sets Difference (Intersection) Problem

Published on 11 Apr 2026 - 21:01

score 864 · Answer 4 · 2026-04-13 00:17:58

The cardinality of $\{f\subseteq\mathbb R^2\mid f\colon\mathbb{R\to R}\text{ is a function}\}$ is strictly greater than the cardinality of $\mathbb R$

score 305 · Answer 5 · 2018-03-26 20:27:25

305

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A family of sets closed under difference is closed under intersection

Published on 26 Mar 2018 - 20:27

score 61 · Answer 6 · 2026-04-03 15:10:22

61

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Give an example of a nonconstant function f from poset A to poset B which is simultaneously increasing and decreasing.

Published on 03 Apr 2026 - 15:10

score 74 · Answer 7 · 2026-04-09 10:48:51

74

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Proof that $-(-A) = A$

Published on 09 Apr 2026 - 10:48

score 194 · Answer 8 · 2026-04-12 19:34:06

194

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What is the correct way to express the idea that a set is "entirely contained" in an interval?

Published on 12 Apr 2026 - 19:34

score 593 · Answer 9 · 2026-04-13 02:30:13

593

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Cartesian products of power sets problem

Published on 13 Apr 2026 - 2:30

score 392 · Answer 10 · 2026-04-12 20:37:27

392

Views

How many equivalence relations on a 4 element set with a case

Published on 12 Apr 2026 - 20:37

score 31 · Answer 11 · 2026-04-03 16:54:09

31

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Operations on Sets. Difference between 2 sets where the elements within are ≥ or ≤ an integer.

Published on 03 Apr 2026 - 16:54

score 153 · Answer 12 · 2026-03-30 00:22:52

153

Views

Is my proof that $f[f^{-1}[B]] = B$ iff $B \subseteq \operatorname{Rng}(f)$ correct?

Published on 30 Mar 2026 - 0:22

score 107 · Answer 13 · 2026-04-03 16:51:43

107

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Operations of sets, union of a power set and another set

Published on 03 Apr 2026 - 16:51

score 56 · Answer 14 · 2026-04-12 15:11:02

56

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Reading notations for definitions of sets

Published on 12 Apr 2026 - 15:11

score 38 · Answer 15 · 2018-03-28 15:08:36

38

Views

Set of variables

Published on 28 Mar 2018 - 15:08

List Question

Probability space in set situation

Proof of duality law $E-\bigcap_i A_i = \bigcup_i (E-A_i)$

Need Help With Simple Mathematical Sets Difference (Intersection) Problem

The cardinality of $\{f\subseteq\mathbb R^2\mid f\colon\mathbb{R\to R}\text{ is a function}\}$ is strictly greater than the cardinality of $\mathbb R$

A family of sets closed under difference is closed under intersection

Give an example of a nonconstant function f from poset A to poset B which is simultaneously increasing and decreasing.

Proof that $-(-A) = A$

What is the correct way to express the idea that a set is "entirely contained" in an interval?

Cartesian products of power sets problem

How many equivalence relations on a 4 element set with a case

Operations on Sets. Difference between 2 sets where the elements within are ≥ or ≤ an integer.

Is my proof that $f[f^{-1}[B]] = B$ iff $B \subseteq \operatorname{Rng}(f)$ correct?

Operations of sets, union of a power set and another set

Reading notations for definitions of sets

Set of variables

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