Premises: two obstacles that would stymie us, one by which we overcome them

    existential hazard
        + Prefigure it here in advance of the motive, which puts it in proper context/perpective.
            : see motive.brec
    theoretic dissensus
        + Prefigure it here in advance of the motive, which puts it in proper context/perpective.
            : see motive.brec
    the limit of light speed
        + End by referring to the subsequent file, which begins with this premise.
            : re `subsequent file` see motive.brec


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