https://unimath.github.io/agda-unimath/foundation.subuniverses.html
Subuniverses - agda-unimath
A community-driven library of formalized mathematics from a univalent point of view using the dependently typed programming language Agda.
agda
https://hp-agda-unimath-vojtechstep.netlify.app/archive/hp-agda-unimath/foundation.precomposition-functions-into-subuniverses.html
Precomposition of functions into subuniverses - agda-unimath
functionsagda
https://hp-agda-unimath-vojtechstep.netlify.app/archive/hp-agda-unimath/foundation.global-subuniverses.html
Global subuniverses - agda-unimath
globalagda