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Informal description: ""

{λ[sigma:Set] .​ λ[p:∀[x:sigma] .​ Prop] .​ λ[s:{(p) .​ (sigma)} .​ some ] .​ λ[x:Prop] .​ λ[i:∀[y:sigma] .​ {(x) .​ ((y) .​ p)} .​ imp ] .​ λ[n:(x) .​ not ]} .​ < con > .​ {({(λ[y:sigma] .​ {(y) .​ (n) .​ (i) .​ (x) .​ (s) .​ (p) .​ (sigma)} .​ t5 ) .​ (p) .​ (sigma)} .​ th5 ) .​ (s) .​ ( con ) .​ ({(p) .​ (sigma)} .​ some )} .​ mp

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