<http://webisa.webdatacommons.org/prov/215655234>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/78063497> .
<http://webisa.webdatacommons.org/78063497>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<maplesoft.com> .
<http://webisa.webdatacommons.org/78063497>	<http://www.w3.org/ns/prov#value>	"??? Formally, an element a of a commutative ring R is said to be irreducible if it is not zero, not a unit, and implies either b or c is a unit." .
<http://webisa.webdatacommons.org/78063497>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/216096368>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/78063497> .