Lambek grammars are context free
Мati Pentus
Abstract
Мati Pentus
Abstract
In this paper the Chomsky Conjecture is proved: all languages recognized by the Lambek calculus are con-text free.
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In this paper the Chomsky Conjecture is proved: all languages recognized by the Lambek calculus are con-text free.
Key concepts: Categorial grammar, Tree-adjoining grammar, Context-sensitive grammar, Indexed grammar, Combinatory categorial grammar, L-attributed grammar, Phrase structure grammar, Context-free grammar