Question

Prove $g(A \cap B) \subseteq g(A) \cap g(B)$ and $g^{-1}(A \cap B) = g^{-1}(A) \cap g^{-1}(B)$

score 66 · Answer 1 · 2023-04-04 00:47:48

66

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Prove $g(A \cap B) \subseteq g(A) \cap g(B)$ and $g^{-1}(A \cap B) = g^{-1}(A) \cap g^{-1}(B)$

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score 74 · Answer 2 · 2026-03-25 23:39:34

74

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score 107 · Answer 3 · 2026-03-26 01:10:49

107

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score 109 · Answer 4 · 2026-03-29 20:37:30

109

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score 58 · Answer 5 · 2026-03-26 01:28:06

58

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score 37 · Answer 6 · 2026-03-26 01:29:05

37

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score 113 · Answer 7 · 2026-03-29 22:26:28

113

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Unsure about determining an argument's validity

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score 72 · Answer 8 · 2023-04-12 07:31:16

72

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How do you layout the proof for $\forall \in \Bbb R, \exists \in \Bbb R ∶ − ^3 = 0$ being true?

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score 38 · Answer 9 · 2026-02-23 12:04:31

38

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score 61 · Answer 10 · 2026-03-25 04:39:15

61

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score 137 · Answer 11 · 2023-04-15 09:22:40

137

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score 217 · Answer 12 · 2023-04-20 20:12:57

217

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What would happen in predicate logic if the domain of discourse was allowed to be empty?

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score 276 · Answer 13 · 2023-04-21 12:59:42

276

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score 151 · Answer 14 · 2026-03-25 23:38:03

151

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score 48 · Answer 15 · 2023-04-27 05:15:23

48

Views

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List Question

Prove $g(A \cap B) \subseteq g(A) \cap g(B)$ and $g^{-1}(A \cap B) = g^{-1}(A) \cap g^{-1}(B)$

Translating "None of the paintings is valuable except the battle pieces."

Is my symbolization of the following argument correct?

Negating an existential conditional statement

I am Confused, mixing predicates and propositional letters?

Hows my symbolization for the following Argument?

Unsure about determining an argument's validity

How do you layout the proof for $\forall \in \Bbb R, \exists \in \Bbb R ∶ − ^3 = 0$ being true?

Are there terminating methods to provide models of first-order theory formulae?

The definition of fuzzy sets using logical and set operators.

Can universal generalization be used on logical equivalence?

What would happen in predicate logic if the domain of discourse was allowed to be empty?

What does a period mean in logic or set theory?

Formalising "every number other than $0$ has a unique multiplicative inverse"

Should Modus Ponens and Modus Tollens Be Viewed As Implications?

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