home	news	documentation	specification		implementation
foreword	milestones	version 2	version 2	(background - core - applications)	library	(static LDDL directory)
citations	visibility	version 1	version 1	(static HELM directory)	helena

Informal description: ""

{λ[x: frac ] .​ λ[y: frac ] .​ λ[z: frac ] .​ λ[u: frac ] .​ λ[l:{(y) .​ (x)} .​ lessf ] .​ λ[k:{(u) .​ (z)} .​ lesseq ]} .​ <{({(u) .​ (y)} .​ tf ) .​ ({(z) .​ (x)} .​ tf )} .​ lessf > .​ {({({(k) .​ (u) .​ (z)} .​ satz49 ) .​ ({(l) .​ (y) .​ (x)} .​ satz43 ) .​ (z) .​ (u) .​ (x) .​ (y)} .​ satz75b ) .​ ({(z) .​ (x)} .​ tf ) .​ ({(u) .​ (y)} .​ tf )} .​ satz42

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