@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_division_	skos:broader	<http://webisa.webdatacommons.org/concept/basic+math_fact_> .
isac:_multiplication_	skos:broader	<http://webisa.webdatacommons.org/concept/basic+math_fact_> .
isac:multiplication_table_	skos:broader	<http://webisa.webdatacommons.org/concept/basic+math_fact_> .