`{Univalence} {A} (B : FibSequence A) : Colimit (sig_seq B) <~> sig (fib_seq_to_type_fam B) := Build_Equiv _ _ _ (isequiv_seq_colim_sum_to_sum_seq_colim B).
Require Import Basics. Require Import Types. Require Import Diagrams.Diagram. Require Import Diagrams.Sequence. Require Import Diagrams.Cocone. Require Import Colimits.Colimit. Require Import Spaces.Nat.Core. Require Import Homotopy.IdentitySystems.