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Homework answers / question archive / TRUTH TABLES: (Make a truth table, and interpret the results
TRUTH TABLES: (Make a truth table, and interpret the results.)
Determine the validity of an argument:
If 20151 is divisible by 9, then 20151 is divisible by 3.
If 20151 is divisible by 3, then the sum of the digits of 20151 is divisible by 3
Therefore, if 20151 is divisible by 9, then the sum of the digits of 20151 is divisible by 3.