An objection to ruling out an infinite regress of changes
I tried ruling out an infinite regress of changes today by proposing that there must be some fundamental being in reality, which is an unchanged changer (see Aristotle and Aquinas First Way to the existence of God to see how this works). An objection that came up to my ruling out an infinite regress of changes is proposed by saying that there is a single universe which after its life is terminated will repeatedly come into existence again ad infinitum. It is demonstrated by a ring which is split in half, and the ring would be analogous to the universe's existence. It is after the ring terminates in its existence does it flip itself around and so and then after that existence terminates it will flip itself around again, ad infinitum, analogously to the universe.
I say this is a problematic objection for many reasons. Firstly, a potential being actualized is precisely how "change" is defined in Thomism. With that said, I pointed out that this is still a series of changes even if it is one universe undergoing this existence and termination pattern. I asked to imagine an infinitely large piece of paper with an infinite amount of circles drawn on it, which is analogous to the universe. Now, individual circles will terminate and the following circles will come in line to be in existence. I understand that this is change. To put it in example form, imagine we are considering one circle C1 and another circle C2: after C1's termination, C2 comes into existence. But that means C1's potential for termination was actualized when it was time for it. And C2's potential for existence was actualized when it C1 was terminated.
Another way to attack this objection is to say that it doesn't matter if the ring was split in half and/or was flipped around. In fact, the ring being flipped around is actually a disanalogy to the universe objection above. Ring R1 being flipped right side up, let's say, is different from the ring R2 being flipped upside down: Making the same ring in the two scenarios different from each other: one is right side up and the other is upside down. But the precise universe objection entails that the universe has to be the same throughout its start and end, ad infinitum. Thus, it is wrong to use the ring analogy for the universe's existence and non-existence sequence.
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