This article defends the view that having a language just is knowing how to engage in communication with it. It also argues that, despite claims to the contrary, this view is compatible and complementary with the Chomskyan conception of language on which humans have languages in virtue of being in brain states realizing tacit knowledge of grammars for those languages.

中文翻译：

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拥有一门语言意味着什么？

本文捍卫了这样一种观点，即拥有一门语言就是知道如何与之进行交流。它还认为，尽管有相反的说法，但这种观点与乔姆斯基的语言概念是兼容和互补的，乔姆斯基的语言概念认为，人类凭借处于实现这些语言语法隐性知识的大脑状态而拥有语言。