About: http://webisa.webdatacommons.org/335715504

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	Surprisingly, this theorem works for all kinds of maps, from a diagram of a metro route to a map of spaces used in quantum physics.
http://www.w3.org/ns/prov#wasQuotedFrom	phys.org