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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[m:{(x) .​ (y)} .​ more ] .​ λ[u: nat ] .​ λ[du:{(u) .​ (x) .​ (y)} .​ diffprop ]} .​ <{({( 1 ) .​ (x)} .​ pl ) .​ ({(u) .​ (x)} .​ pl )} .​ moreis > .​ {((u) .​ satz24 ) .​ (x) .​ ( 1 ) .​ (u)} .​ satz19m

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