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citations	visibility	version 1	version 1	(static HELM directory)	helena

Informal description: ""

{λ[x0: rat ] .​ λ[y0: rat ] .​ λ[z0: rat ] .​ λ[u0: rat ] .​ λ[i:{(y0) .​ (x0)} .​ is ] .​ λ[j:{(u0) .​ (z0)} .​ is ] .​ λ[l:{(z0) .​ (x0)} .​ lessis ]} .​ <{(u0) .​ (y0)} .​ lessis > .​ {({(l) .​ (i) .​ (z0) .​ (y0) .​ (x0)} .​ islessis1 ) .​ (j) .​ (y0) .​ (u0) .​ (z0)} .​ islessis2

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