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fix up definitions for non-ground graphs #128

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fix up definitions for non-ground graphs #128

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3895bce
fix up definitions for non-ground graphs
pfps Apr 17, 2025
2850737
Update spec/index.html
pfps May 1, 2025
d3167ec
Update spec/index.html
pfps May 1, 2025
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10 changes: 7 additions & 3 deletions spec/index.html
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Expand Up @@ -500,9 +500,13 @@ <h3>Blank nodes</h3>
to the universe IR of I.
Define the mapping [I+A] as:</p>
<ul>
<li> [I+A](x)=I(x) when x is a <a>name</a>, </li>
<li> [I+A](x)=A(x) when x is a blank node, </li>
<li> [I+A](x)= RE( [I+A](x.s), [I+A](x.p), [I+A](x.o) ) where x.s, x.p, and x.o are the first, second, and third components of x, respectively. </li>
<li> [I+A](x)=I(x) when x is a <a>name</a>; </li>
<li> [I+A](x)=A(x) when x is a blank node; </li>
<li> [I+A](x)= RE( [I+A](x.s), [I+A](x.p), [I+A](x.o) ) when x is a triple term, where x.s, x.p, and x.o are the first, second, and third components of x, respectively; </li>
<li> [I+A](x)=true when x is a triple and [I+A](p) is in IP and the pair <[I+A](s),[I+A](o)> is in IEXT([I+A](p));</li>
<li> [I+A](x)=false when x is a triple, otherwise;
<li> [I+A](x)=false if x is an RDF graph and [I+A](x')=false for some triple x' in x;</li>
<li> [I+A](x)=true if x an RDF graph, otherwise</li>
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Suggested change
<li> [I+A](x)=false if x is an RDF graph and [I+A](x')=false for some triple x' in x;</li>
<li> [I+A](x)=true if x an RDF graph, otherwise</li>
<li> [I+A](x)=false if x is an RDF graph and [I+A](x')=false for some triple x' in x;</li>
<li> [I+A](x)=true if x an RDF graph, otherwise</li>

</ul>
<p>
Extend this mapping to triples and RDF graphs using the rules given above for ground graphs.
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