About: http://webisa.webdatacommons.org/356709400

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	Well, if a is an axiom and C and D are categories and if a can be formulated in both C and D, then they are both sub-categories of the largest category B that allows to formulate a.
http://www.w3.org/ns/prov#wasQuotedFrom	sagemath.org