Hello. I see this as the best essay I saw so far in this year's contest; still in details I have some disagreements (so yes this means I generally see others I looked at as rubbish; I won't even care to comment on details).
- It is a pity you just simply dismissed the topic of mathematics, hardly saying any word about the nature of mathematics and whether and how math may have anything to do with our universe, why or why not. Math was found to have some success in describing physics didn't it ?
- Among the 3 main candidate concepts of time : presentism, eternalism and growing block, you propose a combination of the first 2, but the reasons for this and the question of what belongs to the one, what belongs to the other and how do they articulate with each other, remains unclear (at least I did not find it well explained in your essay). As for me I reject both of them and adopt the third one instead : growing block. More precisely I regard it as separately describing each of both fundamental substances of reality : mind and mathematics, while "physical reality" emerges as a composite of them : a projection of the growing-block timed conscious reality on a section of the mathematical universe which behaves as timeless (eternal).
- You visibly believe that there is a fundamental difference between human and animal consciousness. I don't.
- You claim "the existence of everything that can possibly exist" but "if one exists the others are impossible", don't both claims mutually contradict, or did you only mean the second claim in a relative sense while the first was meant as absolute ? How is your "huge flock of possible universes" conceived:
-- How huge can it be ? See ideas of very large numbers of universes (or of locations inside the universe) discussed in both 2015 essays by Marc Séguin and William T. Parsons (even though they conceive universes as mathematical systems which you don't).
-- How does it relate with the many-worlds interpretation of quantum physics ? As you wrote "universes like this one (...) overwhelmingly outnumber any other kind", are you aware of the trouble with the many-world interpretation of quantum physics, about how to make sense of its "probabilities", and particularly that these cannot match any kind of numbering of possible universes ?
Now I won't write any essay here this year. I invite you to read my essay of the last contest, which contained my views on quite the same issues (I improved it a little compared to what I initially sent here). Also I just looked at your 2008 essay (on the nature of time), so I think you will be interested with my view on time in mathematics: philosophical sections of my work on the foundations of mathematics.