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15 صفحه اولConjunctive Grammars
This paper introduces a class of formal grammars made up by augmenting the formalism of context-free grammars with an explicit set-theoretic intersection operation. It is shown that conjunctive grammars can generate some important non-contextfree language constructs, including those not in the intersection closure of context-free languages, and that they can provide very succinct descriptions o...
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ژورنال
عنوان ژورنال: Journal of the Experimental Analysis of Behavior
سال: 1958
ISSN: 0022-5002
DOI: 10.1901/jeab.1958.1-15