If A={x∈N:x<3}A = \{x \in \mathbb{N} : x < 3\}A={x∈N:x<3}, what is AAA?
{0,1,2}\{0, 1, 2\}{0,1,2}
{1,2}\{1, 2\}{1,2}
{1,2,3}\{1, 2, 3\}{1,2,3}
∅\emptyset∅