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Informal description: ""

{λ[sigma:Set] .​ λ[tau:Set] .​ λ[f:Π[x:sigma] .​ tau] .​ λ[i:{(f) .​ (tau) .​ (sigma)} .​ injective ] .​ λ[ta:tau] .​ λ[tb:tau] .​ λ[j:{(tb) .​ (ta) .​ (tau)} .​ is ] .​ λ[sa:sigma] .​ λ[sb:sigma] .​ λ[ja:{({(sa) .​ (f) .​ (tau) .​ (sigma)} .​ tofs ) .​ (ta) .​ (tau)} .​ is ] .​ λ[jb:{({(sb) .​ (f) .​ (tau) .​ (sigma)} .​ tofs ) .​ (tb) .​ (tau)} .​ is ]} .​ <{(sb) .​ (sa) .​ (sigma)} .​ is > .​ {({(jb) .​ (ja) .​ (sb) .​ (sa) .​ (j) .​ (tb) .​ (ta) .​ (i) .​ (f) .​ (tau) .​ (sigma)} .​ t1 ) .​ (sb) .​ (sa) .​ (i) .​ (f) .​ (tau) .​ (sigma)} .​ isfe

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