4.1.9 is obscure or too restrictive

I just came across this:

[[
4.1.9 LDPRs must use at least one RDF triple to represent a link (relationship) to another resource. In other words, having the source resource�s URI as the subject and the target resource�s URI as the object of the triple representing the link (relationship) is enough and does not require the creation of an intermediate link resource to describe the relationship. 
]]
https://dvcs.w3.org/hg/ldpwg/raw-file/default/ldp.html#general

This seems to be saying more than that there should be at least 1 triple in an LDPR.

It seems to be saying that there must be at least one triple where the subject or the object link to a different resource which are in different documents. Or it is trying to say that IF  links can be made to other resource they only require one triple.

I really don't know. Any clarifications from the editors on the intention of this passage?

Henry

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