1 files changed, 211 insertions, 33 deletions
diff --git a/ealg/n2.lyx b/ealg/n2.lyx
index 3d07f3b..f25344a 100644
--- a/ealg/n2.lyx
+++ b/ealg/n2.lyx
@@ -2226,6 +2226,67 @@ Sea
 \end_layout
 
 \end_deeper
+\begin_layout Standard
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
+
+
+\backslash
+hbox{
+\backslash
+vline
+\backslash
+hspace{3pt}
+\backslash
+vbox{
+\end_layout
+
+\end_inset
+
+
+\begin_inset Formula $K\subseteq L$
+\end_inset
+
+ es algebraica si y sólo si todo subanillo 
+\begin_inset Formula $A$
+\end_inset
+
+ intermedio entre 
+\begin_inset Formula $K$
+\end_inset
+
+ y 
+\begin_inset Formula $L$
+\end_inset
+
+ es un cuerpo, si y sólo si para todo cuerpo intermedio 
+\begin_inset Formula $E$
+\end_inset
+
+, todo 
+\begin_inset Formula $K$
+\end_inset
+
+-endomorfismo en 
+\begin_inset Formula $E$
+\end_inset
+
+ es un automorfismo.
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
+
+}}
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
 \begin_layout Section
 Extensiones simples
 \end_layout
@@ -2550,6 +2611,22 @@ Si
 
 \end_deeper
 \begin_layout Standard
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
+
+
+\backslash
+begin{samepage}
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
 Ejemplos:
 \end_layout
 
@@ -2657,6 +2734,22 @@ status open
 
 
 \backslash
+end{samepage}
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
+
+
+\backslash
 vspace{-1ex}
 \backslash
 hbox{
@@ -3780,38 +3873,6 @@ Dada una familia
  [...] con el producto componente a componente.
 \end_layout
 
-\begin_layout Standard
-\begin_inset ERT
-status open
-
-\begin_layout Plain Layout
-
-
-\backslash
-eremember
-\end_layout
-
-\end_inset
-
-
-\end_layout
-
-\begin_layout Standard
-\begin_inset ERT
-status open
-
-\begin_layout Plain Layout
-
-
-\backslash
-sremember{GyA}
-\end_layout
-
-\end_inset
-
-
-\end_layout
-
 \begin_layout Enumerate
 \begin_inset Argument item:1
 status open
@@ -4462,6 +4523,49 @@ finitamente generada
 \end_layout
 
 \begin_layout Standard
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
+
+
+\backslash
+hbox{
+\backslash
+vline
+\backslash
+vbox{
+\end_layout
+
+\end_inset
+
+Dada una extensión algebraica 
+\begin_inset Formula $K\subseteq L$
+\end_inset
+
+ y 
+\begin_inset Formula $\alpha_{1},\dots,\alpha_{n}\in L$
+\end_inset
+
+, 
+\begin_inset Formula $K(\alpha_{1},\dots,\alpha_{n})=K[\alpha_{1},\dots,\alpha_{n}]$
+\end_inset
+
+.
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
+
+}}
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
 Sean 
 \begin_inset Formula $K\subseteq L$
 \end_inset
@@ -4575,6 +4679,45 @@ Es un cuerpo, pues para
 \end_layout
 
 \begin_layout Standard
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
+
+
+\backslash
+hbox{
+\backslash
+vline
+\backslash
+vbox{
+\end_layout
+
+\end_inset
+
+Para todo cuerpo 
+\begin_inset Formula $K$
+\end_inset
+
+, 
+\begin_inset Formula $\overline{K}_{K(X)}=K$
+\end_inset
+
+.
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
+
+}}
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
 Un 
 \series bold
 cuerpo de números algebraicos
@@ -4882,7 +5025,26 @@ estable por levantamientos
 \end_inset
 
  también.
- Son estables por levantamientos:
+\end_layout
+
+\begin_layout Standard
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
+
+
+\backslash
+begin{samepage}
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+Son estables por levantamientos:
 \end_layout
 
 \begin_layout Enumerate
@@ -4967,6 +5129,22 @@ status open
 
 
 \backslash
+end{samepage}
+\end_layout
+
+\end_inset
+
+
+\end_layout
+
+\begin_layout Standard
+\begin_inset ERT
+status open
+
+\begin_layout Plain Layout
+
+
+\backslash
 hbox{
 \backslash
 vline