Definition nelstructweqb {X Y : UU} {n : nat} (w : X ≃ Y) (sy : nelstruct n Y) : nelstruct n X := weqcomp sy (invweq w).
Require Import UniMath.MoreFoundations.Tactics. Require Import UniMath.MoreFoundations.DecidablePropositions. Require Import UniMath.MoreFoundations.NegativePropositions. Require Import UniMath.MoreFoundations.Subtypes.