1 files changed, 1 insertions, 1 deletions

diff --git a/cyn/n2.lyx b/cyn/n2.lyx
index bc13575..87f82d0 100644
--- a/cyn/n2.lyx
+++ b/cyn/n2.lyx
@@ -606,7 +606,7 @@ imagen inversa
 \end_inset
 
  como 
-\begin_inset Formula $f(Y)^{-1}:=f^{-1}(Y):=\{a\in A|f(a)\in Y\}$
+\begin_inset Formula $f(Y)^{-1}\coloneqq f^{-1}(Y)\coloneqq \{a\in A|f(a)\in Y\}$
 \end_inset
 
 .