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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