- #1
wdulli
- 3
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Homework Statement
How many elements are in the set below?
{1,2,{3},{4,5},6,{{7}8}}
Homework Equations
The Attempt at a Solution
I heared that the best way is to take of the {} each time. But can somebody tell me the real rules for how to find solutions for this question. Cant seem to find it on the internet and in books. For this question i think its 8. I'm not really looking for the answer but more the explanation how i should solve this question. Thank you
1,2,3,4,5,6,7,8
1,2
3
4,5
6
78
7
8