Does Epsilon Mean Lambda?

In computer science, it often represents the empty string, though different writers use a variety of other symbols for the empty string as well; usually the lower-case Greek letter lambda (λ).

Is Lambda the same as epsilon?

1 Answer. Both ε and λ (and sometimes Λ) are used by different writers to represent the empty string. In modern writing, ε is much more common but you'll often find λ in older textbooks, and Λ in even older ones. The point of using these symbols is to make the empty sequence visible.

What is this symbol Λ?

Lambda (/ˈlæmbdə/; uppercase Λ, lowercase λ; Greek: λάμ(β)δα, lám(b)da) is the 11th letter of the Greek alphabet, representing the sound /l/. In the system of Greek numerals, lambda has a value of 30. Lambda is derived from the Phoenician Lamed. .