fact: Definition wosub_le (X:hSet) : hrel (WOSubset X) := (λ S T : WOSubset X, ∑ (le : S ⊆ T), tosub_order_compat le ∧ sub_initial le)%prop.
imports: UniMath.MoreFoundations.DecidablePropositions UniMath.MoreFoundations.Propositions UniMath.MoreFoundations.Subtypes UniMath.MoreFoundations.Sets UniMath.MoreFoundations.AxiomOfChoice UniMath.Combinatorics.OrderedSets