fact: Definition make_algebraic_theory (T : algebraic_theory_data) (H : is_algebraic_theory T) : algebraic_theory := T ,, H.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.Combinatorics.StandardFiniteSets UniMath.Combinatorics.Vectors UniMath.AlgebraicTheories.AlgebraicTheoryCategoryCore UniMath.Combinatorics.Tuples