(∃X)(Px • Qx) ⊃ [(∃X)Px • (∃X)Qx]

Multiple Choice

(∃x) (Px • Qx) ⊃ [(∃x) Px • (∃x) Qx]
-Consider assuming '(∃x) (Px • Qx) ' for a conditional proof of the above logical truth. Which
Of the following propositions is a legitimate second step in that proof?

A) (Px • Qx) ⊃ [(∃x) Px • (∃x) Qx]
B) Px • Qx
C) (∃x) Px
D) Pb • Qb
E) (∃x) Qx