The Failure of Logic
Using logic to argue a point is a waste of time and energy. Logic follows strict, closed rules. It is black and white. A conclusion is either right or wrong. If two people come to two different conclusions using strict logic, then either someone's logic is flawed, or the difference is in the assumptions. (Interestingly, in the context of logic, assumptions are analogous to beliefs.) If they can't agree on the assumptions, then all further logical argument is pointless.