Question: Provide proofs for the following sequents: a . x P ( x ) y P ( y ) ; using x P ( x )

Provide proofs for the following sequents:
a.x P (x)y P (y); using x P (x) as a premise, your proof needs to end with an application of i which requires the formula P(y0).
b.x (P (x)-> Q(x))(x Q(x))->(x P (x))

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