On the covering of left recursive grammars

Anton Nijholt, A.V. Aho (Editor)

    Research output: Contribution to conferencePaper

    6 Citations (Scopus)
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    In this paper we show that some prevailing ideas on the elimination of left recursion in a context-free grammar are not valid. An algorithm and a proof are given to show that every proper context-free grammar is covered by a non-left-recursive grammar.
    Original languageUndefined
    Number of pages11
    Publication statusPublished - Jan 1977


    • IR-66787
    • EWI-8806
    • HMI-SLT: Speech and Language Technology

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