In formal language theory, a context-free language is a language generated by some context-free grammar. The set of all context-free languages is identical to the set of languages accepted by pushdown automata.
Read more about Context-free Language: Examples, Closure Properties, Decidability Properties, Properties of Context-free Languages, Parsing
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“When you’re lying awake with a dismal headache, and repose is
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—Sir William Schwenck Gilbert (1836–1911)