About: http://webisa.webdatacommons.org/50412423

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	Attempted Answer: Yes, the material conditional is a necessary logical connective in our system.
http://www.w3.org/ns/prov#wasQuotedFrom	mathhelpforum.com