About: http://webisa.webdatacommons.org/291991021

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	So, for the future: I want to keep these posts on commutative algebra as self-contained as possible, except in cases when the material is already covered on other blogs.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com