1 files changed, 17 insertions, 0 deletions
diff --git a/ggs/n1.lyx b/ggs/n1.lyx
index dff032c..743e363 100644
--- a/ggs/n1.lyx
+++ b/ggs/n1.lyx
@@ -90,6 +90,23 @@ diferenciable
 \end_inset
 
 .
+ Una función 
+\begin_inset Formula $F:A\to B$
+\end_inset
+
+ diferenciable entre abiertos de superficies o de 
+\begin_inset Formula $\mathbb{R}^{n}$
+\end_inset
+
+ es un difeomorfismo local en 
+\begin_inset Formula $p\in A$
+\end_inset
+
+ si y sólo si 
+\begin_inset Formula $dF_{p}$
+\end_inset
+
+ es un isomorfismo lineal.
 \end_layout
 
 \begin_layout Standard