About: http://webisa.webdatacommons.org/209038944

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	This proof is almost done except for the step of showing that the function's derivative is $0$ a.e.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com