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Informal description: ""

{λ[sigma:Set] .​ λ[alpha:Set] .​ λ[sa:Π[x:alpha] .​ (sigma) .​ set ] .​ λ[s:sigma] .​ λ[a:alpha] .​ λ[seasa:{((a) .​ sa) .​ (s) .​ (sigma)} .​ esti ]} .​ <{({(sa) .​ (alpha) .​ (sigma)} .​ unmore ) .​ (s) .​ (sigma)} .​ esti > .​ {({(seasa) .​ (a) .​ (λ[y:alpha] .​ {((y) .​ sa) .​ (s) .​ (sigma)} .​ esti ) .​ (alpha)} .​ somei ) .​ (s) .​ (λ[x:sigma] .​ {(λ[y:alpha] .​ {((y) .​ sa) .​ (x) .​ (sigma)} .​ esti ) .​ (alpha)} .​ some ) .​ (sigma)} .​ estii

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