fix(taylor): typo, (p-R,P+R) instead of (-R,R)

tex/calculus/taylor.tex

@@ -271,9 +271,9 @@ \section{Analytic functions}
 	\begin{itemize}
 		\ii the Taylor series of $f$ at $p$ has radius of convergence $R > 0$; \emph{and}
 		\ii that Taylor series actually does converge to the value $f(x)$
-		for every input $x \in (-R,R)$ within the radius of convergence.
+		for every input $x \in (p-R,p+R)$ within the radius of convergence.
 	\end{itemize}
-	Then $f$ is analytic on $(-R, R)$.
+	Then $f$ is analytic on $(p-R, p+R)$.
 	\label{prop:taylor_series_are_analytic}
 \end{proposition}
 This result is nontrivial because \emph{a priori} we only know $f$ is analytic at $p$;