Multiple Choice
1. (∀x) [(Px • Qx) ⊃ Rf(x) ]
2. (∀x) [Rx ⊃ (∃y) Pxy]
3. ∼(∀x) (Px ⊃ ∼Qx)
-Which of the following propositions is derivable from the given premises in FF?
A) (∀x) [Pf(x) ⊃ Qf(x) ]
B) (∀x) Rf(x)
C) (∀x) Rf(f(x) )
D) (∃x) (∃y) Pf(x) f(y)
E) (∃x) (∃y) Pxy
Correct Answer:
Verified
Correct Answer:
Verified
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