{\ displaystyle \ | \ mathbb {P} _ {n} -P \ | _ {\ mathcal {F}} {\ underset {n} {\ to}} 0,}
{\ displaystyle \ | \ mathbb {P} _ {n} -P \ | _ {\ mathcal {F}} {\ underset {n} {\ to}} 0,}
{\ displaystyle \ | \ mathbb {P} _ {n} -P \ | _ {\ mathcal {F}} {\ underset {n} {\ to}} 0,}