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Informal description: ""

{λ[x: nat ] .​ λ[a:Π[y: nat ] .​ nat ] .​ λ[b:Π[y: nat ] .​ nat ] .​ λ[pa:{(a) .​ (x)} .​ prop2 ] .​ λ[pb:{(b) .​ (x)} .​ prop2 ] .​ λ[y: nat ]} .​ <Prop> .​ {((y) .​ b) .​ ((y) .​ a)} .​ is

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