Which symbol makes the statement true?

If O = {3,4,9,18,19,25} then 19 (∈ or ∉) of set O.

∈ or ∉ ?

Question

Which symbol makes the statement true?

If O = {3,4,9,18,19,25} then 19 (∈ or ∉) of set O.

∈ or ∉ ?

freckles · Answer

well one means is an element of
the other means is not an element of

freckles · Answer

is 19 in 0?

anonymous · Answer

I honestly don't know. I'm just typing the question exactly how they gave it to me.

freckles · Answer

so you can't look at your set O?
like if you look at you should see the following numbers:
3
4
9
18
19
25

did I list 19?

freckles · Answer

I'm asking you to look at your set O 
which is {3,4,9,18,19,25}
and tell me if 19 is in O?

anonymous · Answer

I guessed and got it wrong so, thanks anyways.

freckles · Answer

Ok well just so you know 19 is in O because it says it right here:
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