How do you read this math symbol?

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  • Thread starter Thread starter zeion
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Discussion Overview

The discussion revolves around the identification of a mathematical symbol used in computation theory, specifically one that resembles a capital A without the middle bar, which is suggested to denote the empty string. Participants seek to clarify the name and usage of this symbol.

Discussion Character

  • Conceptual clarification, Meta-discussion

Main Points Raised

  • One participant describes a symbol resembling a capital A without the middle bar as being used to denote the empty string and asks for its name.
  • Another participant agrees that the symbol is likely a capital lambda (\Lambda) and confirms its use to denote the null string.
  • A third participant provides a resource for identifying mathematical symbols through drawing, suggesting it may be helpful for future reference.
  • A later reply reiterates the usefulness of the provided resource.

Areas of Agreement / Disagreement

Participants generally agree on the identification of the symbol as capital lambda, but the discussion does not explore any competing views or alternative interpretations.

Contextual Notes

No limitations or unresolved issues are noted in the discussion.

Who May Find This Useful

Individuals studying computation theory or those interested in mathematical symbols and their identification may find this discussion useful.

zeion
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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?
 
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Capital lambda (\Lambda) sounds right. I have seen it used to denote the null string.
 

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