About: http://webisa.webdatacommons.org/23487515

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	thanks that helped your explanation is more simpler and fundamental! the below explanation i did not get especially the last part where we need to substitute and check (1) SUFFICIENT: Here, we are told that |x + 3| = 4x ??? 3.
http://www.w3.org/ns/prov#wasQuotedFrom	gmatclub.com