Question

70% of the population drinks beer, 60% drinks vodka. What percent of the population drinks both?

score 250 · Answer 1 · 2026-03-22 11:57:02

250

Views

70% of the population drinks beer, 60% drinks vodka. What percent of the population drinks both?

Published on 22 Mar 2026 - 11:57

score 174 · Answer 2 · 2026-04-01 18:38:04

174

Views

Proof of the Inclusion-Exclusion Principle

Published on 01 Apr 2026 - 18:38

score 78 · Answer 3 · 2026-03-22 10:55:56

78

Views

Given a set $A$ and $S$ is the successor function, prove that the class $\{S(x) : x \in A\}$ exists as a set

Published on 22 Mar 2026 - 10:55

score 286 · Answer 4 · 2026-03-22 05:01:54

286

Views

Cardinality of $\{\emptyset, \mathcal{P}(\emptyset), \{\emptyset\} \} $

Published on 22 Mar 2026 - 5:01

score 415 · Answer 5 · 2026-03-25 11:34:17

415

Views

is there an equivalence relation on orthonormal set?

Published on 25 Mar 2026 - 11:34

score 59 · Answer 6 · 2026-03-25 01:13:20

59

Views

Inconsistent set theoretic notation for expressing function/sequence spaces

Published on 25 Mar 2026 - 1:13

score 220 · Answer 7 · 2026-03-26 20:03:07

220

Views

Set-builder notation proof

Published on 26 Mar 2026 - 20:03

score 74 · Answer 8 · 2026-03-21 17:53:14

74

Views

Determining if a function is onto or one-to-one?

Published on 21 Mar 2026 - 17:53

score 44 · Answer 9 · 2026-03-22 01:43:50

44

Views

What does it mean by $x \not\in A \smallsetminus B$ when $B \subset A$?

Published on 22 Mar 2026 - 1:43

score 67 · Answer 10 · 2026-03-31 15:28:55

67

Views

Sets problem/algebra

Published on 31 Mar 2026 - 15:28

score 77 · Answer 11 · 2026-04-07 13:44:17

77

Views

Galois connection, basic property, inclusion

Published on 07 Apr 2026 - 13:44

score 48 · Answer 12 · 2026-03-20 20:50:52

48

Views

Does the set of ALL recursive relations exist?

Published on 20 Mar 2026 - 20:50

score 46 · Answer 13 · 2026-03-21 23:42:10

46

Views

Cardinality of infinite sets and bijections

Published on 21 Mar 2026 - 23:42

score 196 · Answer 14 · 2026-04-10 01:12:28

196

Views

How to verify $(a,b) = (c,d) \implies a = c \wedge b = d$ naively

Published on 10 Apr 2026 - 1:12

score 92 · Answer 15 · 2026-04-01 08:40:16

92

Views

What does "x <= y or not" mean?

Published on 01 Apr 2026 - 8:40

List Question

70% of the population drinks beer, 60% drinks vodka. What percent of the population drinks both?

Proof of the Inclusion-Exclusion Principle

Given a set $A$ and $S$ is the successor function, prove that the class $\{S(x) : x \in A\}$ exists as a set

Cardinality of $\{\emptyset, \mathcal{P}(\emptyset), \{\emptyset\} \} $

is there an equivalence relation on orthonormal set?

Inconsistent set theoretic notation for expressing function/sequence spaces

Set-builder notation proof

Determining if a function is onto or one-to-one?

What does it mean by $x \not\in A \smallsetminus B$ when $B \subset A$?

Sets problem/algebra

Galois connection, basic property, inclusion

Does the set of ALL recursive relations exist?

Cardinality of infinite sets and bijections

How to verify $(a,b) = (c,d) \implies a = c \wedge b = d$ naively

What does "x <= y or not" mean?

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