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Mathematics, 21.10.2020 23:01 Rflaig1129841

Let p: The day is Tuesday. Let q: The day is Thursday.
Let r: She comes to work.

Which represents the statement "The day is Tuesday or Thursday if and only if she comes to work”?

p ↔ (q ∧ r)
p ↔ (q ∨ r)
(p ∧ q) ↔ r
(p ∨ q) ↔ r

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You know the right answer?
Let p: The day is Tuesday. Let q: The day is Thursday.
Let r: She comes to work.

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