<http://webisa.webdatacommons.org/121019697>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/121019697>	<http://www.w3.org/ns/prov#value>	"that no segment is a rotation or reflection of another segment ensures" .
<http://webisa.webdatacommons.org/prov/46625475>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/121019697> .
<http://webisa.webdatacommons.org/121019697>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<mathforum.org> .