Artyom Boologov on Nostr: doubling that, because I don’t get how x^x works in it. To me, x^something is like ...

doubling that, because I don’t get how x^x works in it. To me, x^something is like move/copy operation. So it makes little sense with the same symbol, especially in the denominator. Anything I’m missing? Is my mental model flawed?