But this one should be really easy. We had to find this out on ourselves, I don't know, maybe as sixth graders.

I mean the idea that maths "encompasses" the universe as compared to the universe being "bigger than maths"

Do you know that Set Theory proves that there is no Universe?

Then there is the "closed form" model, balls, saddles

Saddles are a representation of open ever-expanding hyperbolic universes.

*Traitor*, n.
A benighted individual who perceives an illusory distinction between serving his nation and abetting the criminals who govern it.