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PROVE THAT wff IS A VALID ARGUMENT Please be as clear and commented as possible. I do give thumbs up for good work. Thank you

PROVE THAT wff IS A VALID ARGUMENT

image text in transcribed Please be as clear and commented as possible. I do give thumbs up for good work. Thank you for your time!

29(3x)[P(x) /\ Q(x)] (vj)[Q(y)- R(y)] (3x) [P(x) / R(x)]

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