I view the U.S. as an enemy country right now, and I live here.

Can we leave and join Denmark?

I think you mean “I don’t understand density in infinity”.

Rare in this context is a question of density. There are infinitely many integers within the real numbers, for example, but there are far more non-integers than integers. So integers are more rare within the real.

Is that even a close call? If Trump called me a shithead I’d wear that as a badge of honor. If Mr Rogers called me a disappointment I would question my life choices.

Yeah backreferences in general are not “regular” in the mathematical sense.

“It’s true that I hear lots of women, and men, who say ‘you’re very brave,’” she said. “I say it’s not bravery, it’s will and determination to change society.”