Posting a SVG image

05:07:00  

I found a way to post SVG into the blog, this image below was created using geogebra and inkscape. It is a vector image that scale very well.

The image was imitation from the "Introduction to Set Theory" book by Hrbacek and Jech, where 

the lemma $|A|=|C|$ and $A\subseteq B \subseteq C$ implies $|B|=|C|$ is proved.