= Formal languages
{wiki=Formal_languages}
Formal languages are sets of strings or sequences of symbols that are constructed according to specific syntactical rules. These languages are used primarily in fields such as computer science, linguistics, mathematics, and logic to rigorously define and manipulate languages—both natural and artificial. \#\#\# Key Concepts: 1. **Alphabet**: A finite set of symbols or characters from which strings are formed. For example, in the binary language, the alphabet consists of the symbols \{0, 1\}.
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