Determine whether the argument is valid or invalid. You may compare the argument to a standard form,

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Determine whether the argument is valid or invalid. You may compare the argument to a standard form, or use a truth table.

a-b .. -b

Data From argument to a standard form:

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A Survey Of Mathematics With Applications

ISBN: 9780135740460

11th Edition

Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde

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