1 files changed, 2 insertions, 2 deletions
diff --git a/si/n2.lyx b/si/n2.lyx
index 8971dd3..946c8e4 100644
--- a/si/n2.lyx
+++ b/si/n2.lyx
@@ -269,7 +269,7 @@ Y-O
 \end_inset
 
 , sea 
-\begin_inset Formula $N:=\{S\subseteq V:(u,S)\in A\}$
+\begin_inset Formula $N:=\{S\subseteq V\mid (u,S)\in A\}$
 \end_inset
 
 , 
@@ -315,7 +315,7 @@ primitiva
 árbol Y/O
 \series default
  es un grafo Y/O para el que el grafo no dirigido 
-\begin_inset Formula $(V,\{(u,v)\in V\times V:\exists(u,S)\in A:v\in S\})$
+\begin_inset Formula $(V,\{(u,v)\in V\times V\mid \exists(u,S)\in A\mid v\in S\})$
 \end_inset
 
  es acíclico.