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Informal description: ""

{λ[sigma:Set] .​ λ[tau:Set] .​ λ[f:Π[x:sigma] .​ tau] .​ λ[i:{(f) .​ (tau) .​ (sigma)} .​ injective ]} .​ <Π[x:tau] .​ Π[u:{(x) .​ (f) .​ (tau) .​ (sigma)} .​ image ] .​ sigma> .​ λ[x:tau] .​ λ[u:{(x) .​ (f) .​ (tau) .​ (sigma)} .​ image ] .​ {(u) .​ (x) .​ (i) .​ (f) .​ (tau) .​ (sigma)} .​ soft

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