Use the finite universe method to prove that the following symbolized arguments are invalid.

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Use the finite universe method to prove that the following symbolized arguments are invalid.

1. (3x) (AxBx) 2. (3x) (Bx.~Ax) / (x)(Ax v Bx)

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A Concise Introduction to Logic

ISBN: 978-1305958098

13th edition

Authors: Patrick J. Hurley, Lori Watson

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