I have started seeing the “∈” symbol in math. What exactly does it mean?
I have tried googling it but google takes the symbol out of the search.
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I have started seeing the “∈” symbol in math. What exactly does it mean?
I have tried googling it but google takes the symbol out of the search.
∈
means ‘(is) an element of’
For instance, ‘Let a∈A
‘ means ‘Let a be an element of A
‘
http://en.wikipedia.org/wiki/Element_(mathematics) might help you too