proposition: Lemma TOSubset_plus_point_incl {X:hSet} (S:TOSubset X) (z:X) (nSz : ¬ S z) : S ⊆ TOSubset_plus_point S z nSz.
proof: Proof. apply subtype_plus_incl. Defined.
imports: UniMath.MoreFoundations.DecidablePropositions UniMath.MoreFoundations.Propositions UniMath.MoreFoundations.Subtypes UniMath.MoreFoundations.Sets UniMath.MoreFoundations.AxiomOfChoice UniMath.Combinatorics.OrderedSets