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[a:Prop] .​ λ[b:Prop] .​ λ[c:Prop] .​ λ[e:{(c) .​ (b) .​ (a)} .​ ec3 ]} .​ <{(a) .​ (c) .​ (b)} .​ ec3 > .​ {(e) .​ ({(a) .​ (c)} .​ ec ) .​ ({(c) .​ (b)} .​ ec ) .​ ({(b) .​ (a)} .​ ec )} .​ th1

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