diff --git a/spec/index.html b/spec/index.html index f3ed374..f1f9f3d 100644 --- a/spec/index.html +++ b/spec/index.html @@ -1814,10 +1814,33 @@
ex:a rdfs:subPropertyOf _:b .
by rdfs7
_:b rdfs:domain ex:c .
ex:d ex:a ex:e .
- ex:d _:b ex:c .
+ ex:d _:b ex:e . by rdfs7
ex:d rdf:type ex:c .
by rdfs2
Where the entailment patterns have been applied to generalized RDF syntax but yield a final conclusion which is legal RDF.
+ +
+ The entailment pattern for generalized RDF with [=symmetric RDF triples=],
+ considering that, according to the semantics, the denotation of triple terms should
+ be of type rdfs:Proposition
, is the following:
+
+ | any S | +then S RDFS entails | +
---|---|---|
Grdfs14 | +if S contains yyy rdf:type rdf:Property . + and xxx and yyy appear in E
+ |
+ <<(xxx yyy zzz)>> rdf:type rdfs:Proposition . |
+
With the generalized syntax, these rules are postulated to be complete for both RDF and RDFS entailment. Stated exactly:
@@ -1828,8 +1851,8 @@rdf:_1
.aaa
used in E, add aaa rdf:type rdfs:Resource
to S.rdf:langString
, rdf:dirLangString
, xsd:string
},
to the set in all possible ways, to exhaustion.Every RDF(S) closure, even starting with the empty graph, - will contain all RDF(S) tautologies which can be expressed using the vocabulary of the original graph + will contain all RDF(S) tautologies which can be expressed using the vocabulary of the entailing and entailed graphs plus the RDF and RDFS vocabularies. - In practice there is little utility in re-deriving these, + In practice there is little utility in re-deriving these and a subset of the rules can be used to establish most entailments of practical interest.
If it is important to stay within legal RDF syntax, rule rdfD1 may be used instead of GrdfD1, @@ -1855,30 +1878,6 @@
As noted earlier, detecting datatype entailment for larger sets of datatype IRIs requires attention to idiosyncratic properties of the particular datatypes.
-
- The entailment pattern for generalized RDF with [=symmetric RDF triples=],
- considering that, according to the semantics, the denotation of triple terms should
- be of type rdfs:Proposition
, is the following:
-
- | if S contains | -then S RDFS entails | -
---|---|---|
Grdfs14 | -xxx rdf:type rdfs:Resource . - yyy rdf:type rdf:Property . - zzz rdf:type rdfs:Resource . - |
- <<(xxx yyy zzz)>> rdf:type rdfs:Proposition . |
-