KnowraPumping lemma for context-free languagesLinked fromLinked fromThe 5 pages that link to Pumping lemma for context-free languages, each with the reason it gives.All 5Related 2Compared with 3Chomsky hierarchyRelated: It distinguishes context-free power from languages requiring higher levels.Context-free languageRelated: It can prove that a language, such as the three-way copy language, is not context-free.