Maths has the same issue with the primes. Their definition is a recurrence with respect to themselves. If the universe is a "strange loop," like Hofstadter says

Maths has the same issue with the primes. Their definition is a recurrence with respect to themselves. If the universe is a "strange loop," like Hofstadter says, then we have very little hope of understanding a snake eating its own tail from our hierarchical models.