Just learned today about how quantum theory implies that there is no such thing as a perfect vacuum. Very interesting as atomists had this duality of generic matter and pure void, while Aristotle rejected this duality....of course, you can't really come to a conclusive answer to a philosophical question, except perhaps to show sometimes that something what was once thought of as impossible is not only possible but actual.
Here is a summary and comments on the essay Freedom and Resentment by PF Strawson. He makes some great points, and when he is wrong, it is in such a way as to clarify things a great deal. My non-deterministic position is much better thanks to having read this. I’ll summarize it in this post and respond in a later one. In a nutshell: PFS first argues that personal resentment that we may feel toward another for having failed to show goodwill toward us would have no problem coexisting with the conviction that determinism is true. Moral disapprobation, as an analog to resentment, is likewise capable of coexisting with deterministic convictions. In fact, it would seem nearly impossible for a normally-constituted person (i.e., a non-sociopath) to leave behind the web of moral convictions, even if that person is a determinist. In this way, by arguing that moral and determinist convictions can coexist in the same person, PFS undermines the libertarian argument ...
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I bring it to your attention because his main contention involved ontological dualism of matter and space.