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Informal description: ""

{λ[x: nat ] .​ λ[p:(x) .​ prop2 ] .​ λ[y: nat ] .​ λ[l:{(y) .​ ((x) .​ suc )} .​ less ] .​ λ[f:Π[t:((x) .​ xs ) .​ 1to ] .​ (y) .​ 1to ] .​ λ[b:{(f) .​ ((y) .​ 1to ) .​ (((x) .​ xs ) .​ 1to )} .​ bijective ]} .​ <{(f) .​ ((y) .​ 1to ) .​ (((x) .​ xs ) .​ 1to )} .​ injective > .​ {(b) .​ ({(f) .​ ((y) .​ 1to ) .​ (((x) .​ xs ) .​ 1to )} .​ surjective ) .​ ({(f) .​ ((y) .​ 1to ) .​ (((x) .​ xs ) .​ 1to )} .​ injective )} .​ ande1

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