The emptiness of intersection problem fo
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Annie Foret
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Article
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2004
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Elsevier Science
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English
β 465 KB
This paper is concerned with usual decidability questions on grammars for some classes of categorial grammars that arise in the field of learning categorial grammars. We prove that the emptiness of intersection of two langages is an undecidable problem for the following classes : k-valued classical