# Question: write the argument using propositional wffs use the statement letters...

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Write the argument using propositional wffs (use the statement letters shown). Then, using propositional logic, including the rules in Table 1.14 (Mathematical Structures for Computer Science 7th Edition), prove that the argument is valid:

48). If DeWayne is not tall then Jayden is not DeWayne's brother. If DeWayne is tall then Trevor is DeWayne's brother. Therefore, if Jayden is Dewayne's brother, then Trevor is DeWayne's brother. D, J, T.