diff options
Diffstat (limited to 'library/topology')
| -rw-r--r-- | library/topology/urysohn2.tex | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/library/topology/urysohn2.tex b/library/topology/urysohn2.tex index 05ea180..f2f6ef3 100644 --- a/library/topology/urysohn2.tex +++ b/library/topology/urysohn2.tex @@ -46,7 +46,9 @@ Define $f : X \to \reals$ such that $f(x) = $ \begin{cases} - &(x + x) , x \in X + &(x + x) &\text{if} x \in X + & x &\text{if} x \neq \zero + & \zero & \text{if} x = \zero % & x ,x \in X <- will result in technicly ambigus parse \end{cases} |