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10 questions from this quiz
6∈A6 \in A6∈A
B⊆AB \subseteq AB⊆A
{3,5}\{3, 5\}{3,5}
{1,2,3,4,6}\{1, 2, 3, 4, 6\}{1,2,3,4,6}
A∖B≠B∖AA \setminus B \neq B \setminus AA∖B=B∖A generally
000
N⊆Z\mathbb{N} \subseteq \mathbb{Z}N⊆Z
3≤x<73 \leq x < 73≤x<7
All real numbers greater than 555
Zero is neither positive nor negative
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