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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 ] .​ λ[p:{(y) .​ (pb) .​ (pa) .​ (b) .​ (a) .​ (x)} .​ prop3 ]} .​ <{(a) .​ (x)} .​ prop1 > .​ {(pa) .​ ({(a) .​ (x)} .​ prop1 ) .​ ({((x) .​ suc ) .​ (( 1 ) .​ a)} .​ is )} .​ ande2

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