Latex typesetting not allowed

[pathologicalhandwaving]

Markdown cell states use markdown or latex but latex syntax such as:
$v \in V$
and variant
v \in V
give a syntax error:

 File "<ipython-input-3-ab7371d03d57>", line 1
     v \in V
           ^
SyntaxError: unexpected character after line continuation character

[pathologicalhandwaving]

Partial workaround: %%latex in cell
Does not allow the full range typically enabled in py