Which pair of sentences is the paraphrase of each other?

Silk, cotton, trousers, wool

Silk, cotton, linen

Silk, jeans, cotton

None of the above

"My boss is busy at the moment" is the contradiction of "My boss is available at the moment."

"My boss is busy at the moment" is the contradictory of "My boss is available at the moment."

"My boss is busy at the moment" is the contradictory of "My boss is not available at the moment."

None of the above

If we get engaged to be married, will you give me a ring?

I waved at my friend when he passed by

I bought a duck at the supermarket

None of the above

Cup

Clip

Head

None of the above

If a proposition P entails a proposition Q, and P is true, then Q is false

If a proposition P entails a proposition Q, and P is true, then Q is true

If a proposition Q entails a proposition P, and P is true, then Q is false

If a proposition Q entails a proposition P, and P is true, then Q is true

If

Only

If … then

If and only if

(p ⟶ q) = (q ⟶ p)

(p ⟶ q) ⟶ (q ⟶ p)

(q ⟶ p) ⟶ (p ⟶ q)

(p ⟶ q) & (q ⟶ p)

True

False

Teacher

Replay

Revitalize

Inside

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