fact: Definition make_parallell_cocone {J : category} {X : UU} (d : diagram (parallell_graph X) J) (z : J) (in₀ : dob d (stnpr 0) --> z) (in₁ : dob d (stnpr 1) --> z) (commutes : ∏ (x : X), dmor d (x : @edge (parallell_graph X) (stnpr 0) (stnpr 1)) · in₁ = in₀) : cocone d z.
imports: UniMath.Foundations.All UniMath.MoreFoundations.All UniMath.CategoryTheory.Core.Categories UniMath.CategoryTheory.Limits.Graphs.Colimits UniMath.Combinatorics.StandardFiniteSets UniMath.Combinatorics.FiniteSets