Question: Given the following valid argument, choose the best answer. P ( a ) ? ? ( A A x ( P ( x ) Q

Given the following valid argument, choose the best answer.
P(a)??(AAx(P(x)Q(x)))
AAx(P(x)Q(x))
P(a)Q(a)
P(a)
Q(a)
Which inference rule is used to derive step 5?
Seleccione una:
a. Simplification
b. Conjuction
c. Universal Instantiation
d. Modus Ponens
Given the following valid argument, choose the best answer. P(a)??(AAx(P(x)Q(x))) AAx(P(x)Q(x))

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