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Informal description: ""

{λ[sigma:Set] .​ λ[tau:Set] .​ λ[upsilon:Set] .​ λ[f:Π[x:sigma] .​ tau] .​ λ[g:Π[x:tau] .​ upsilon] .​ λ[if:{(f) .​ (tau) .​ (sigma)} .​ injective ] .​ λ[ig:{(g) .​ (upsilon) .​ (tau)} .​ injective ] .​ λ[s:sigma] .​ λ[t:sigma] .​ λ[i:{((t) .​ {(ig) .​ (if) .​ (g) .​ (f) .​ (upsilon) .​ (tau) .​ (sigma)} .​ h ) .​ ((s) .​ {(ig) .​ (if) .​ (g) .​ (f) .​ (upsilon) .​ (tau) .​ (sigma)} .​ h ) .​ (upsilon)} .​ is ]} .​ <{((t) .​ f) .​ ((s) .​ f) .​ (tau)} .​ is > .​ {(i) .​ ((t) .​ f) .​ ((s) .​ f) .​ (ig) .​ (g) .​ (upsilon) .​ (tau)} .​ isfe

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