Question: Solve in Modus Tollens nothing else If DeWayne is not tall, then Jayden is not DeWayne's brother. If DeWayne is tall, then Treve DeWayne's brother.

Solve in Modus Tollens nothing else If DeWayne is not tall, then Jayden is not DeWayne's brother. If DeWayne is tall, then Treve
DeWayne's brother. Therefore, if jayden is DeWayne's brother, then Trevor is DeWayne's b
You can use D,J,T as the statement letters
D: DeWayne is tall.
J: Jayden is DeWayne's brother
T: Trevor is DeWayne's brother
Proposition Logic: (D'J')??(DT)(JT)
Proof:
Solve in Modus Tollens nothing else If DeWayne is

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