# Infinite Intersection

Logic Level 4

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?

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

×