Let there be an infinite family of sets \[A_1, A_2, A_3, \cdots \subseteq X \]

Let \[B_i = \bigcup^{\infty}_{m=i} A_m\]

Which of the choices is *not* implied by this?

\[x \notin \bigcap^{\infty}_{n=1} B_n\]

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