(∃X)(Px • Qx) ⊃ [(∃X)Px • (∃X)Qx]

question 295

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

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