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john doran:
john doran:
By definition?? Whose definition?i’m not sure what this has to do with anything. if the universe has always existed, then, by definition, an infinite amount of time has already passed.
in which case, the series of temporal events is, by definition, divergent.
john doran:
Well, time happens to be unidirectional. If the cause would follow the affected event (in time) we would see a “grandfather’s paradox”, in other words: a logical contradiction. Therefore the cause must either predate the event or be simultaneous with it. Since the speed of light (in vacuum) is natural barrier to cause-effect relationships, the case must predate the affected event. Therefore a causally prior event would also entail a temporally prior relationship. Q.E.D.perhaps. but even if it is meaningless to ask what is temporally prior to the big bang, it is certainly not meaningless to ask what is causally prior to the big bang.
unless you can prove that temporal priority and causal priority are identical…
you’re right, of course - i should have said that an entailment relation would need to be demonstrated.