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Hello. Can anyone tell me please what this operator in the picture

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File: asds.gif (1KB, 153x68px) Image search: [Google]
asds.gif
1KB, 153x68px
Hello.

Can anyone tell me please what this operator in the picture means? Much appreciated.
>>
>>7785683
It's the symbol for union of sets.
>>
>>7785690

I see. Thanks!
>>
>>7785696
https://www.google.de/?gfe_rd=cr&ei=Sz2ZVr73LcOH8Qek2IrYBw&gws_rd=ssl#q=maths+what+is+the+big+u
please learn to google next time.
>>
>>7785698
and make sure it's German google.
Thread posts: 5
Thread images: 1


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