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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[sf:{(f) .​ (tau) .​ (sigma)} .​ surjective ] .​ λ[sg:{(g) .​ (upsilon) .​ (tau)} .​ surjective ] .​ λ[u:upsilon] .​ λ[t:tau] .​ λ[i:{((t) .​ g) .​ (u) .​ (upsilon)} .​ is ]} .​ <{(u) .​ ({(sg) .​ (sf) .​ (g) .​ (f) .​ (upsilon) .​ (tau) .​ (sigma)} .​ h ) .​ (upsilon) .​ (sigma)} .​ image > .​ {(λ[x:sigma] .​ λ[v:{((x) .​ f) .​ (t) .​ (tau)} .​ is ] .​ {(v) .​ (x) .​ (i) .​ (t) .​ (u) .​ (sg) .​ (sf) .​ (g) .​ (f) .​ (upsilon) .​ (tau) .​ (sigma)} .​ t4 ) .​ ({(u) .​ ({(sg) .​ (sf) .​ (g) .​ (f) .​ (upsilon) .​ (tau) .​ (sigma)} .​ h ) .​ (upsilon) .​ (sigma)} .​ image ) .​ ({(i) .​ (t) .​ (u) .​ (sg) .​ (sf) .​ (g) .​ (f) .​ (upsilon) .​ (tau) .​ (sigma)} .​ t2 ) .​ (λ[x:sigma] .​ {((x) .​ f) .​ (t) .​ (tau)} .​ is ) .​ (sigma)} .​ someapp

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