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How do you read this math symbol? 
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#1
Apr612, 05:03 PM

P: 467

Hi,
I'm studying computation theory and this symbol that looks like a capital A without the middle bar is used to denote the empty string. What is it called? Thanks. EDIT: Looks like its a capital lambda? 


#2
Apr612, 05:11 PM

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P: 16,091

Capital lambda ([itex]\Lambda[/itex]) sounds right. I have seen it used to denote the null string.



#3
Apr612, 06:01 PM

P: 367

For future reference:
http://detexify.kirelabs.org/classify.html is a good site where you can draw a symbol and it will identify it for you ( or try to ) 


#4
Apr612, 11:55 PM

P: 467

How do you read this math symbol?



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