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Informal description: ""

{λ[sigma:Set] .​ λ[alpha:Set] .​ λ[sa:Π[x:alpha] .​ (sigma) .​ set ] .​ λ[s:sigma] .​ λ[seun:{({(sa) .​ (alpha) .​ (sigma)} .​ unmore ) .​ (s) .​ (sigma)} .​ esti ] .​ λ[x:Prop] .​ λ[x1:∀[y:alpha] .​ ∀[z:{((y) .​ sa) .​ (s) .​ (sigma)} .​ esti ] .​ x]} .​ <x> .​ {(x1) .​ (x) .​ ({(seun) .​ (s) .​ (λ[z:sigma] .​ {(λ[y:alpha] .​ {((y) .​ sa) .​ (z) .​ (sigma)} .​ esti ) .​ (alpha)} .​ some ) .​ (sigma)} .​ estie ) .​ (λ[y:alpha] .​ {((y) .​ sa) .​ (s) .​ (sigma)} .​ esti ) .​ (alpha)} .​ someapp

Validation parameters: sort hierarchy = "Z2", kernel options = ""