About: http://webisa.webdatacommons.org/319166307

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	Subtraction is a process which most children learn quite naturally as soon as they learn to start counting.
http://www.w3.org/ns/prov#wasQuotedFrom	2nd-grade-math-salamanders.com