This is the Base.Algebras module of the Agda Universal Algebra Library in which we use type theory and Agda to codify the most basic objects of universal algebra, such as signatures, algebras, product algebras, congruence relations, and quotient algebras.
{-# OPTIONS --without-K --exact-split --safe #-} open import Overture using ( 𝓞 ; 𝓥 ; Signature ) module Base.Algebras {𝑆 : Signature 𝓞 𝓥 } where open import Base.Algebras.Basic {𝑆 = 𝑆} public open import Base.Algebras.Products {𝑆 = 𝑆} public open import Base.Algebras.Congruences {𝑆 = 𝑆} public