(October 24, 2016 at 10:32 am)Neo-Scholastic Wrote: Atheists cannot account for apparent cosmological fine-tuning except by appealing to necessity (brute fact) or chance (multiverse). If necessary then the obvious question arises. Why must the physical universe be as it is and no other way? If by chance, then an infinite regress ensues. Why is the multiverse fine-tuned to generate physical universes that are fine-tuned?
There are two cast iron refutations of anthropicity, 1) we are here, of course the universe is going to have something to stand upon for us, because we evolved to fit this universe not the other way around. If the universe were different we'd have evolved differently. 2) Anthropicity assumes the constants act in isolation from each other, modelling strongly suggests that this isn't even remotely the case, if you change one constant others will tend to mirror that change to compensate. But, frankly, we shouldn't have to do modelling to have realised that.
There's also a third reason, there is a near infinite number of possible universes, the chances of only a single one being able to support life is preposterous. If even only one in every billion can support life, that's still a huge number of possible universes.
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