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Informal description: ""

{λ[x: nat ] .​ λ[y: nat ] .​ λ[m:{(y) .​ (x)} .​ moreis ]} .​ <{(x) .​ (y)} .​ lessis > .​ {(λ[z:{(y) .​ (x)} .​ is ] .​ {(z) .​ (y) .​ (x) .​ ( nat )} .​ symis ) .​ (λ[z:{(y) .​ (x)} .​ more ] .​ {(z) .​ (y) .​ (x)} .​ satz11 ) .​ (m) .​ ({(x) .​ (y)} .​ is ) .​ ({(x) .​ (y)} .​ less ) .​ ({(y) .​ (x)} .​ is ) .​ ({(y) .​ (x)} .​ more )} .​ th9

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