Stanford Encyclopedia of Philosophy -- Process Philosophy --Johanna Seibt (2017)
The Activity of Being --Aryeh Kosman (2013) / From the publisher: “For Aristotle, to ask “what something is” is to inquire into a specific mode of its being, something ordinarily regarded as its “substance.” But to understand substance, we need the concept of energeia―a Greek term usually translated as “actuality.” In a move of far-reaching consequence, Kosman explains that the correct translation of energeia is not “actuality” but “activity.” We have subtly misunderstood the Metaphysics on this crucial point, says Kosman. Aristotle conceives of substance as a kind of dynamic activity, not some inert quality. Substance is something actively being what it is.” / This book from Kosman is not an argument over what is true in the matter, only over what Aristotle thought true in the matter. As for true in the matter, I think Aristotle (under this interpretation of him) was wrong, although one doesn’t have to go back to Plato or Parmenides and pals to get things right. And I take Rand as by her philosophy to agree with me in all that.
I’d like to add to the other thought in this thread that on the mere face of ‘A is A’ one can say ‘change is change’ even while ignoring ties of change to stasis or to other categories of existence, such as entity (in the Randian sense of that term). But one is then saying much less than one who is saying ‘change is change’ while keeping those ties in mind. At Metaphysics 1030a25–27, Aristotle allows ‘nonbeing is nonbeing’. But he takes such a statement to say far less than were one to say ‘substance is substance’. Those of us who, like Rand, take ‘A is A’ to be making an assertion about existence of A, take A to have ties to other things (counting its own parts as one type of other thing), to have a nature, to have identity (in Rand’s broader sense of the term). For us, saying ‘nonexistence is nonexistence’ is only a sameness of words, a metaphysical zero.