If all the plumbers are skilled, then if none of the faucets leak, then they will be commended.
A) (x){(Px • Sx) ⊃ [(y)(Fy ⊃ ∼Ly) ⊃ Cx]}
B) (∃x)(Px • Sx) ⊃ [(y)(Fy ⊃ ∼Ly) ⊃ Cy]
C) (x)(Px • Sx) ⊃ [(y)(Fy ⊃ ∼Ly) ⊃ Cx]
D) (x){(Px ⊃Sx) ⊃[(y)(Fy ⊃ ∼Ly) ⊃ Cx]}
E) (x){(Px • Sx) ⊃ [(∃y)(Fy • ∼Ly) ⊃ Cx]}

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The Answer of If all the plumbers are skilled, then if none of the faucets leak, then they will be commended.
A) (x){(Px • Sx) ⊃ [(y)(Fy ⊃ ∼Ly) ⊃ Cx]}
B) (∃x)(Px • Sx) ⊃ [(y)(Fy ⊃ ∼Ly) ⊃ Cy]
C) (x)(Px • Sx) ⊃ [(y)(Fy ⊃ ∼Ly) ⊃ Cx]
D) (x){(Px ⊃Sx) ⊃[(y)(Fy ⊃ ∼Ly) ⊃ Cx]}
E) (x){(Px • Sx) ⊃ [(∃y)(Fy • ∼Ly) ⊃ Cx]}

If All the Plumbers Are Skilled, Then If None of the Faucets