Definition is_stn_increasing {m : nat} (f : ⟦m⟧ → nat) := ∏ (i j: ⟦m⟧ ), i ≤ j → f i ≤ f j.
Require Import UniMath.MoreFoundations.Tactics. Require Import UniMath.MoreFoundations.DecidablePropositions. Require Import UniMath.MoreFoundations.NegativePropositions.