Assertion: infinitesimal | /r/CapableOf | replace notorious ε-δ method
Facets:
Source sentences:
text: In particu- lar, the oft-expressed hope that infinitesimals would now replace the notorious ε-δ method in teaching calculus remains unrealized, in spite of notable efforts by Keisler , Stroyan , Benci and Di Nasso , and others.