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

Informal description: ""

{λ[a:Prop] .​ λ[b:Prop] .​ λ[c:Prop] .​ λ[o:{(c) .​ (b) .​ (a)} .​ or3 ] .​ λ[n:(b) .​ not ]} .​ <{(a) .​ (c)} .​ or > .​ {(λ[x:(a) .​ not ] .​ {(n) .​ (x) .​ (o) .​ (c) .​ (b) .​ (a)} .​ or3e3 ) .​ (a) .​ (c)} .​ th2

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