Is reality really relevant here? The way I see it, if questions like these are phrased properly, a correct answer would be true for any universe I might find myself in.

I'm failing to think of any universe that could contain something like my human mind, in which conclusions other than the ones I have drawn on these matter could be true. Obviously, that could be a failure of my imagination.

Can anyone here describe a universe in which there is a... and I'm really not sure how else to describe this concept in ways that don't use the word soul or make it sound silly ... a thread connecting past and future subjective realities?