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Formalization of the pumping lemma for context-free languages

Context-free languages (CFLs) are highly important in computer language processing technology as well as in formal language theory. The Pumping Lemma is a property that is valid for all context-free languages, and is used to show the existence of non context-free languages. This paper presents a formalization, using the Coq proof assistant, of the Pumping Lemma for context-free languages.

preprint2015arXivOpen access
Marcus V. M. RamosRuy J. G. B. de QueirozNelma MoreiraJosé Carlos Bacelar Almeida
Formal Languages and Automata Theory
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Marcus V. M. RamosRuy J. G. B. de QueirozNelma MoreiraJosé Carlos Bacelar Almeida

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