\begin{definition}[Definition:Grandi's Series]
'''Grandi's series''' is the divergent series:
:$\ds \sum_{n \mathop = 0}^\infty \paren {-1}^n$
{{NamedforDef|Luigi Guido Grandi|cat = Grandi}}
Category:Definitions/Convergence
Category:Definitions/Series
\end{definition}