Question

"2 is the only even prime number" using quantifiers

score 1.7k · Answer 1 · 2018-04-19 06:18:30

1.7k

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"2 is the only even prime number" using quantifiers

Published on 19 Apr 2018 - 6:18

score 410 · Answer 2 · 2018-04-19 08:28:12

410

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Proving a function is strictly increasing

Published on 19 Apr 2018 - 8:28

score 97 · Answer 3 · 2026-03-25 00:07:54

97

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How can I prove these quantifier problem? $\neg\forall x P(x) \iff \exists x \neg P(x)$

Published on 25 Mar 2026 - 0:07

score 1.8k · Answer 4 · 2018-04-23 22:05:59

Express the definition of prime in the language of quantifiers. Then state the negation in quantities, and interpret it in your own words

score 252 · Answer 5 · 2018-04-24 00:26:43

252

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What does a quantifier with a subscript mean?

Published on 24 Apr 2018 - 0:26

score 300 · Answer 6 · 2018-04-24 02:03:27

300

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How does a biconditional with a quantifier get expanded?

Published on 24 Apr 2018 - 2:03

score 67 · Answer 7 · 2018-04-26 16:17:59

67

Views

Thinking mathematically and proving things

Published on 26 Apr 2018 - 16:17

score 65 · Answer 8 · 2018-04-30 18:07:07

65

Views

Is my answer logically equivalent to the other?

Published on 30 Apr 2018 - 18:07

score 41 · Answer 9 · 2018-05-02 11:10:25

41

Views

Clarification about statements like $\forall n\in\mathbb{N}, \exists x_1,x_2,...,x_n \in {A},\forall i\in\{1,...,n-1\},x_i<x_{i+1}$

Published on 02 May 2018 - 11:10

score 66 · Answer 10 · 2026-03-24 23:54:56

66

Views

Why is this logical formula invalid for expressing the statement "anything bought it not human"?

Published on 24 Mar 2026 - 23:54

score 127 · Answer 11 · 2026-03-25 14:27:20

127

Views

Why aren't these logically equivalent? How can I show this?

Published on 25 Mar 2026 - 14:27

score 55 · Answer 12 · 2018-05-04 16:49:01

55

Views

Rules of Inference on lines with multiple quantifiers

Published on 04 May 2018 - 16:49

score 1.2k · Answer 13 · 2026-03-25 14:26:51

1.2k

Views

I don't get how "universal generalization" works? is my understanding of UI, EI, EG. correct?

Published on 25 Mar 2026 - 14:26

score 866 · Answer 14 · 2026-03-25 14:18:24

866

Views

First order logic variable without quantifiers

Published on 25 Mar 2026 - 14:18

score 115 · Answer 15 · 2018-05-12 18:15:42

115

Views

Prove that $B \setminus (\bigcup_{i\in I} A_i) = \bigcap_{i\in I} (B \setminus A_i)$

Published on 12 May 2018 - 18:15

List Question

"2 is the only even prime number" using quantifiers

Proving a function is strictly increasing

How can I prove these quantifier problem? $\neg\forall x P(x) \iff \exists x \neg P(x)$

Express the definition of prime in the language of quantifiers. Then state the negation in quantities, and interpret it in your own words

What does a quantifier with a subscript mean?

How does a biconditional with a quantifier get expanded?

Thinking mathematically and proving things

Is my answer logically equivalent to the other?

Clarification about statements like $\forall n\in\mathbb{N}, \exists x_1,x_2,...,x_n \in {A},\forall i\in\{1,...,n-1\},x_i<x_{i+1}$

Why is this logical formula invalid for expressing the statement "anything bought it not human"?

Why aren't these logically equivalent? How can I show this?

Rules of Inference on lines with multiple quantifiers

I don't get how "universal generalization" works? is my understanding of UI, EI, EG. correct?

First order logic variable without quantifiers

Prove that $B \setminus (\bigcup_{i\in I} A_i) = \bigcap_{i\in I} (B \setminus A_i)$

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