If DeWayne is not tall then Jayden is not DeWaynes brother. If DeWayne is tall then
Chapter 1, Problem 48(choose chapter or problem)
If DeWayne is not tall then Jayden is not DeWaynes brother. If DeWayne is tall then Trevor is DeWaynes brother. Therefore, if Jayden is DeWaynes brother, then Trevor is DeWaynes brother. D, J, T
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