Quiz Content

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. (K ≡ I ~J)

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. A ∨ (~B ⊃ D)

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. [(P ≡ Q) ∨ ~P]

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. F ⊃ ~G ~H

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. ~[D ≡ (E • F)]

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. (Z ≡ A) ⊃ ~(X ≡ Y)

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. [(~A ⊃ B) • ~A] ⊃ B

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. (X ∨ Y) ≡ [(Y ∨ Z) • (X ∨ Z)]

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. {[R ⊃ (~S • ~T)] ⊃ [T ∨ (U ⊃ R)]} • (T ⊃ ~S)

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. ~[(U • V) ∨ (W ⊃ X)] ⊃ [(X ≡ Y) • ~Z]

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. ~A ∨ (B • D)

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. I • E ⊃ ~F

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. {~R ⊃ [(Q • P) ⊃ S]}

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. [(P ≡ Q) • ~Q] ⊃ (P ⊃ R)

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. [A ∨ B • C] ⊃ (A ∨ C)

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. P ⊃ (Q ⊃ R) ⊃ [(P • ~R) ⊃ ~Q]

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. [(D ⊃ ~E) • (F ⊃ E)] ⊃ [D ⊃ (~F ∨ G)]

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. ~{[(H ⊃ I) ⊃ ~(I ∨ ~J)] ⊃ (~H ⊃ J)}

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. ~[(R • S) ⊃ U] ⊃ {{~U ⊃ [R ⊃ (S ⊃ T)]}

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. [(W ⊃ X) • (Y ∨ ~X)] ≡ [~(Z ∨ Y) ⊃ ~W]

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