How to type left/right quotes in mathmode=?iso-8859-1?Q?=3F_=96_tex.stackexchange.com?=

How to type left/right quotes in mathmode? – tex.stackexchange.com

I want to type "left-quotes" and "right-quotes" in an equation. I tried
$P(x):`` \forall x \in \mathbb{R}, \, x^2 > 4 \Rightarrow x > 2. ``$ I get
The end sign is not correct. How to ...