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Informal description: ""

{λ[x: frac ] .​ λ[y: frac ] .​ λ[z: frac ] .​ λ[u: frac ] .​ λ[e:{(y) .​ (x)} .​ eq ] .​ λ[m:{(u) .​ (z)} .​ moref ]} .​ <{({(u) .​ (y)} .​ pf ) .​ ({(z) .​ (x)} .​ pf )} .​ moref > .​ {({(m) .​ (x) .​ (u) .​ (z)} .​ satz62d ) .​ ({(e) .​ (u) .​ (y) .​ (x)} .​ eqpf1 ) .​ ({(z) .​ (x)} .​ pf ) .​ ({(u) .​ (y)} .​ pf ) .​ ({(u) .​ (x)} .​ pf )} .​ eqmoref2

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