Definition pr1_eqweqmap_stn (m n : nat) (e: m=n) (i: ⟦m⟧ ) : pr1 (pr1weq (eqweqmap (maponpaths stn e)) i) = pr1 i. Proof. intros. induction e. apply idpath. Defined.
Require Import UniMath.MoreFoundations.Tactics. Require Import UniMath.MoreFoundations.DecidablePropositions. Require Import UniMath.MoreFoundations.NegativePropositions.