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Informal description: ""

{λ[sigma:Set] .​ λ[tau:Set] .​ λ[f:Π[x:sigma] .​ tau] .​ λ[b:{(f) .​ (tau) .​ (sigma)} .​ bijective ] .​ λ[t:tau]} .​ <{(((t) .​ {(b) .​ (f) .​ (tau) .​ (sigma)} .​ invf ) .​ f) .​ (t) .​ (tau)} .​ is > .​ {((t) .​ {(b) .​ (f) .​ (tau) .​ (sigma)} .​ t3 ) .​ (t) .​ ({(b) .​ (f) .​ (tau) .​ (sigma)} .​ t2 ) .​ (f) .​ (tau) .​ (sigma)} .​ ists1

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