The empty string should not be confused with the empty language ∅, which is a formal language (i.e. a set of strings) that contains no strings, not even the empty string. The empty string has several properties: |ε| = 0. Its string length is zero. ε ⋅ s = s ⋅ ε = s. The empty string is the identity element of the concatenation operation
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Aug 27, 2022 · See our guide to Forthcoming Historical Novels for 2021 for the previous year’s releases. We also have a list of Forthcoming children’s and YA historical novels for 2022. This is a work in progress. Last update August 27, 2022. January 2022
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Jan 31, 2022 · FOX FILES combines in-depth news reporting from a variety of Fox News on-air talent. The program will feature the breadth, power and journalism of rotating Fox News anchors, reporters and producers.