The relation between derivations and syntactical structures in phrase-structure grammars

  • Authors:
  • Jürgen Eickel;Jacques Loeckx

  • Affiliations:
  • -;-

  • Venue:
  • Journal of Computer and System Sciences
  • Year:
  • 1972

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Abstract

Conditions for a phrase-structure grammar (Chomsky 0-type grammar) are established which warrant that any of its derivations univocally defines a syntactical structure of the sentence. The simplifications for the particular cases of context-sensitive and context-free grammars are indicated.