fact: Definition equiv_split_idem_retract_issect (a : A) : ap equiv_split_idem_retract (split_idem_issect (s o r) (equiv_split_idem_retract^-1 a)) @ eisretr equiv_split_idem_retract a = equiv_split_idem_retract_retr (split_idem_sect (s o r) (equiv_split_idem_retract^-1 a)) @ ap r (equiv_split_idem_retract_sect a) @ H a.
imports: HoTT.Basics HoTT.Types HFiber Constant Truncations.Core Modalities.Modality PathAny