3.2 library(semweb/rdf11_containers): RDF 1.1 Containers
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Availability::- use_module(library(semweb/rdf11_containers)).
[nondet]rdf_seq(+Seq, -List:list)
True when Seq is an instance of rdf:Seq and List is a list of associated values, ordered according to the container membership property used.

Notice that this construct adds no machine-processable semantics but is conventionally used to indicate to a human reader that the numerical ordering of the container membership properties of Container is intended to be significant.