fact: Definition wosub_le_smaller {X:hSet} (S T:WOSubset X) : hProp := (S ≼ T) ∧ (∃ t:T, t ∉ S).
imports: UniMath.MoreFoundations.DecidablePropositions UniMath.MoreFoundations.Propositions UniMath.MoreFoundations.Subtypes UniMath.MoreFoundations.Sets UniMath.MoreFoundations.AxiomOfChoice UniMath.Combinatorics.OrderedSets