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Informal description: ""

{λ[x0: rat ] .​ λ[y0: rat ]} .​ <{(x0) .​ ({(y0) .​ (x0)} .​ pl )} .​ more > .​ {(λ[x: frac ] .​ λ[y: frac ] .​ λ[xi:{((x0) .​ class ) .​ (x)} .​ inf ] .​ λ[yi:{((y0) .​ class ) .​ (y)} .​ inf ] .​ {(yi) .​ (xi) .​ (y) .​ (x) .​ (y0) .​ (x0)} .​ t1 ) .​ ({(x0) .​ ({(y0) .​ (x0)} .​ pl )} .​ more ) .​ (y0) .​ (x0)} .​ ratapp2

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