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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[y0: rat ] .​ λ[x1: frac ] .​ λ[y1: frac ] .​ λ[x1ix0:{((x0) .​ class ) .​ (x1)} .​ inf ] .​ λ[y1iy0:{((y0) .​ class ) .​ (y1)} .​ inf ] .​ λ[l:{(y0) .​ (x0)} .​ lessis ]} .​ <{(y1) .​ (x1)} .​ lesseq > .​ {(λ[t:{(y0) .​ (x0)} .​ is ] .​ {({(t) .​ (y1iy0) .​ (x1ix0) .​ (y1) .​ (x1) .​ (y0) .​ (x0)} .​ ise ) .​ (y1) .​ (x1)} .​ lesseqi2 ) .​ (λ[t:{(y0) .​ (x0)} .​ less ] .​ {({(t) .​ (y1iy0) .​ (x1ix0) .​ (y1) .​ (x1) .​ (y0) .​ (x0)} .​ lesse ) .​ (y1) .​ (x1)} .​ lesseqi1 ) .​ (l) .​ ({(y1) .​ (x1)} .​ lesseq ) .​ ({(y0) .​ (x0)} .​ is ) .​ ({(y0) .​ (x0)} .​ less )} .​ orapp

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