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: ""

<∀[x: frac ] .​ ∀[y: frac ] .​ ∀[z: frac ] .​ ∀[t:(y) .​ (x) .​ eq ] .​ ∀[u:(z) .​ (y) .​ eq ] .​ (z) .​ (x) .​ eq > .​ λ[x: frac ] .​ λ[y: frac ] .​ λ[z: frac ] .​ λ[t:(y) .​ (x) .​ eq ] .​ λ[u:(z) .​ (y) .​ eq ] .​ {(u) .​ (t) .​ (z) .​ (y) .​ (x)} .​ treq

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