https://unimath.github.io/agda-unimath/trees.morphisms-algebras-polynomial-endofunctors.html
Morphisms of algebras of polynomial endofunctors - agda-unimath
A community-driven library of formalized mathematics from a univalent point of view using the dependently typed programming language Agda.
morphismsalgebraspolynomialendofunctorsagda