Mortality and immortality are the antithesis of each other, in equal amounts antithesis cancel out, because a being is either mortal or immortal (a binary evaluation) they are necessarily equal and necessarily cancel out.
Just like +1 and -1 cancel out to 0, Mortality and Immortality cancel out to zero, the proposition is self-defeating.
Just like +1 and -1 cancel out to 0, Mortality and Immortality cancel out to zero, the proposition is self-defeating.
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