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Informal description: ""

{λ[sigma:Set] .​ λ[p:∀[x:sigma] .​ Prop] .​ λ[s:sigma] .​ λ[n:((s) .​ p) .​ not ]} .​ <({(p) .​ (sigma)} .​ all ) .​ not > .​ λ[x:{(p) .​ (sigma)} .​ all ] .​ ((s) .​ x) .​ n

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