Question: Prove that the argument below is valid. x in U [ p ( x ) - > ( q ( x ) r ( x

Prove that the argument below is valid.
x in U[p(x)->(q(x) r(x))]
x in U[p(x) s(x)]
x in U[r(x) s(x)]
Hint: Review the Rules of Universal Generalization and Universal Specification

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