Assertion: function's definition | /r/HasProperty | valid
Facets:
value: for all hyperreal numbers
type: OTHER
Source sentences:
text: On the other hand, Hrbacek writes that for the definitions to be valid for all hyperreal numbers they must implicitly be grounded in the ε-δ method, and claims that, from the pedagogical point of view, the hope that non-standard calculus could be done without ε-δ methods cannot be realized in full.