(9) Use the counterexample method to prove that the following symbolized arguments are invalid 1 (x) (Ax Bx) Cx 2 (x) (Ax Cx) Dx (x) (Ax Dx) Cx

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(9) Use the counterexample method to prove that the following symbolized arguments are invalid  1  (x) (Ax  Bx)  Cx  2  (x) (Ax  Cx)  Dx    (x) (Ax  Dx)  Cx

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Question: (9) Use the counterexample method to prove that the following symbolized arguments are invalid. 1. (x)[(Ax Bx) Cx] 2. (x)[(Ax Cx)

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