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[x0: rat ] .​ λ[x: frac ] .​ λ[y: frac ] .​ λ[xix0:{((x0) .​ class ) .​ (x)} .​ inf ] .​ λ[e:{(y) .​ (x)} .​ eq ]} .​ <{((x0) .​ class ) .​ (y)} .​ inf > .​ {(e) .​ (y) .​ (xix0) .​ (x) .​ (x0) .​ ( treq ) .​ ( symeq ) .​ ( refeq ) .​ ( eq ) .​ ( frac )} .​ th8

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