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NASA NTRS ยท 19720021511

Arbitrary grammars generating context-free languages

Abstract

If G is a grammar such that in each noncontext-free rule of G, the right side contains a string of terminals longer than any terminal string appearing between two nonterminals in the left side; then the language generated by G is context-free. Six previous results follow as simple corollaries of this theorem.

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BibTeXRIS

Baker, B. S.. 1972-06-14. Arbitrary grammars generating context-free languages. https://ntrs.nasa.gov/citations/19720021511

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