<http://webisa.webdatacommons.org/252825611>	<http://www.w3.org/ns/prov#value>	"that the triangle ABC is a mean proportional between the triangles abCf" .
<http://webisa.webdatacommons.org/prov/328900589>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/252825611> .
<http://webisa.webdatacommons.org/252825611>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<archive.org> .
<http://webisa.webdatacommons.org/252825611>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .