Read the following paragraph and determine if the hypothesis is true:

In mathematics, the Vitali–Carathéodory theorem is a result in real analysis that shows that, under the conditions stated below, integrable functions can be approximated in L from above and below by lower- and upper-semicontinuous functions, respectively. It is named after Giuseppe Vitali and Constantin Carathéodory.

pick from the following.
[A]. Yes
[B]. It's impossible to say
[C]. No
Hypothesis: Vitali–Carathéodory theorem involves mathematics 



[A].