Determine whether the following argument is valid or invalid. Include a truth table and a few words explaining why the truth table shows validity or invalidity. If 12 divides 709,438 then 3 divides...



  1. Determine whether the following argument is valid or invalid. Include a truth table and a few words explaining why the truth table shows validity or invalidity.



  1. If 12 divides 709,438 then 3 divides 709,438.
    If the sum of the digits of 709,438 is divisible by 9 then 3 divides 709,438.
    The sum of the digits of 709,438 is not divisible by 9.
    Therefore, 12 does not divide 709,438.



Jun 05, 2022
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