You guys have probably all seen this on OT but what the heck here it is again. This is the argument.
P1. There was an earliest physical event
P2. Every physical event must have a cause
P3. Every physical cause must be existent
P4. The earliest physical event is caused by something non-physical in nature (P1+P2)
P5. The cause of the earliest physical event is not necessarily existent (P3+P4)
The argument can definitely be refuted but I think it's difficult to do so while leaving the original cosmological argument intact. Pick it to pieces if you wish.
domatron23
I have a few problems with this argument, mainly in that the postulates it lays at the foundations are too absolute considering what we know of the physical universe (as far as I know, so don't rip me apart if I'm wrong on something). P1 I agree with, at some point there must have been a first cause, or a first "event" as we see it. P2 however is too absolute. It assumes we know the cause of everything. Say an apple falling from a tree is the event. Naturally the cause would be claimed to be gravity. but gravity is merely the theory we have for objects being attracted to each other, which itself is a physical event, and thus must be caused by something as well. As far as I know, the physical cause of this, the graviton, has not been found yet, so we can't be sure it exists (P3). Because of this ignorance, it remains a possibility that gravity is a cause-less occurance. Though all scientific evidence points torwards this not being the case, the fact that it could be the case makes P2 a postulate with a less than perfect foundation to try and explain the beginnings of the universe. What exactly causes the random vibrations of atoms? We don't know. This argument makes strong statements that really don't have enough backing.
(just realized that I didn't leave "the original cosmological argument intact", but I still think it's relevant to the discussion)
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