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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[x: nat ] .​ λ[y: nat ] .​ λ[l:{(x) .​ (y)} .​ lessis ] .​ λ[u:(y) .​ 1to ] .​ λ[v:(y) .​ 1to ] .​ λ[i:{({(v) .​ (l) .​ (y) .​ (x)} .​ left1to ) .​ ({(u) .​ (l) .​ (y) .​ (x)} .​ left1to ) .​ ((x) .​ 1to )} .​ is ]} .​ <{(v) .​ (u) .​ ((y) .​ 1to )} .​ is > .​ {({(i) .​ (v) .​ (u) .​ (l) .​ (y) .​ (x)} .​ t3 ) .​ (v) .​ (u) .​ (y)} .​ isinne

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