A **context-free language (CFL)** is a type of formal language that can be generated by a context-free grammar (CFG). In formal language theory, context-free languages are significant because they can describe a wide range of syntactic structures used in programming languages and natural languages. ### Key Concepts: 1. **Context-Free Grammar (CFG)**: - A CFG consists of a set of production rules that define how symbols in the language can be replaced or transformed.
