Assertion: infinitesimal | /r/CapableOf | build upon work
Facets:
value: by jerzy łoś
type: OTHER
value: by edwin hewitt
type: OTHER
Source sentences:
text: Contrary to such views, Abraham Robinson showed in 1960 that infinitesimals are precise, clear, and meaningful, building upon work by Edwin Hewitt and Jerzy Łoś.