About: http://webisa.webdatacommons.org/279323706

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Logic is the science not of ex- ternal forms of thought, but of the laws of development ???of all material, natural and spiritual things???,
http://www.w3.org/ns/prov#wasQuotedFrom	marxists.org