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citations	visibility	version 1	version 1	(static HELM directory)	helena

Informal description: ""

{λ[x: nat ] .​ λ[y: nat ] .​ λ[z: nat ] .​ λ[i:{(y) .​ (x)} .​ is ]} .​ <{({(y) .​ (z)} .​ pl ) .​ ({(x) .​ (z)} .​ pl )} .​ is > .​ {(i) .​ (z) .​ (y) .​ (x)} .​ ispl2

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