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Informal description: ""

{λ[x: nat ] .​ λ[y: nat ]} .​ <{((λ[v: nat ] .​ {(v) .​ (x) .​ (y)} .​ diffprop ) .​ some ) .​ ((λ[u: nat ] .​ {(u) .​ (y) .​ (x)} .​ diffprop ) .​ some ) .​ ({(y) .​ (x)} .​ is )} .​ or3 > .​ {(y) .​ (x)} .​ b

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