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Informal description: ""

{λ[a:Prop] .​ λ[ksi:Set] .​ λ[x:ksi] .​ λ[y:ksi] .​ λ[n:(a) .​ not ] .​ λ[x1:ksi] .​ λ[y1:ksi] .​ λ[px1:{(x1) .​ (y) .​ (x) .​ (ksi) .​ (a)} .​ prop1 ] .​ λ[py1:{(y1) .​ (y) .​ (x) .​ (ksi) .​ (a)} .​ prop1 ]} .​ <{(y) .​ (x1) .​ (ksi)} .​ is > .​ {({(py1) .​ (px1) .​ (y1) .​ (x1) .​ (n) .​ (y) .​ (x) .​ (ksi) .​ (a)} .​ t11 ) .​ (n) .​ ({(y) .​ (x1) .​ (ksi)} .​ is ) .​ ((a) .​ not )} .​ mp

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