Pumping lemma for context-free languages

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Science and technology

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What Wikipedia says

In computer science, in particular in formal language theory, the pumping lemma for context-free languages, also known as the Bar-Hillel lemma, is a lemma that gives a property shared by all context-free languages and generalizes the pumping lemma for regular languages.

Excerpt from the Wikipedia article “Pumping lemma for context-free languages”, under the CC BY-SA 4.0 license. Read the article on Wikipedia