d S_t = \mu S_t \, dt + \sigma S_t \, d B_t\lVert X \rVert_{L^2(\mathbb{P})}^2 = \int_\varOmega \lvert X(\omega) \rvert^2 \, d \mathbb{P}(\omega)
x = \liminf_{n \to \infty} x_n \ge \limsup_{n \to \infty} x_n \Rightarrow x_n \to x
A_n = A_{n - 1} \setminus \bigcup_{k = 0}^{\infty} \biggl( \frac{1 + 3 k}{3^n}, \frac{2 + 3 k}{3^n} \biggr)
\begin{aligned}
A &= f(x)\\ B &= g(x)
\end{aligned}
これはインラインです．
\textstyle ABC \int_a^b f(x)\,dxここまですばらしいすっ！！λ &alphamax;
