I think you need to uncheck “Markdown Comment Editor” under “Edit Account”. Your comment with latex follows:
Here is one definition of a “problem”:
Fix some distribution D on {0,1}n, and some function R : {0,1}n×{0,1}m→[−1,1]. Then consider the set of circuits C:{0,1}n→{0,1}m for which the expectation of R(x,C(x))), for x sampled from D, is ≥0.
I think you need to uncheck “Markdown Comment Editor” under “Edit Account”. Your comment with latex follows: