fact: Definition binprod_in_fib {C : category} {D : disp_cat C} {HD : cleaving D} (P : fiberwise_binproducts HD) {x : C} (xx yy : D x) : BinProduct (D[{x}]) xx yy := pr1 P x xx yy.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Prelude UniMath.CategoryTheory.DisplayedCats.Core UniMath.CategoryTheory.DisplayedCats.Univalence UniMath.CategoryTheory.DisplayedCats.Functors UniMath.CategoryTheory.DisplayedCats.Fibrations UniMath.CategoryTheory.DisplayedCats.Fiber UniMath.CategoryTheory.Limits.BinProducts UniMath.CategoryTheory.Limits.Preservation