Math examiners have very different standards of rigor.
I once got stuck on a problem in a numerical methods exam. At the end I scribbled in a panic “This follows trivially by Rolle’s theorem.”
The next day I checked the solution. It just said “This follows by Rolle’s theorem.”
everyone I've met who's told me, unprompted, that they were in a "Gifted" program as a child has turned out to be in the bottom 25%ile of functional intelligence
Cuando dicen “el peor enemigo de un mexicano es otro mexicano” no habla de un segundo o tercer individuo.
Habla del cabrón que está frente a el cuando mira su espejo.