Question

Justify: Symbol is set of string.​

Answer 1

Explanation:

The length of a string s is the number of symbols in s (the length of the sequence) and can be any non-negative integer; it is often denoted as |s|. The empty string is the unique string over Σ of length 0, and is denoted ε or λ. The set of all strings over Σ of length n is denoted Σn.

this is ur answer dear..

I hope it will helpful for u..

btw Gud Evening