The Performative Hypothesis was proposed by Oxford philosopher [填空1], in a series of lectures titled How to Do Things with Words, published in 1962.
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In the study of functions of English sentences, Austin classified English sentences into two types: [填空1] and [填空2]. The former refer to the statements that either state a [填空3] or describe a state of affairs. The latter refer to the sentences the uttering of which is, or part of, the [填空4] of an action.
The Performative Hypothesis assumes that language is not only used to inform or [填空1]things, it is often used to “do things”, to perform acts, or is part of the [填空2] of an action. Without the utterance, the action cannot be carried out.
The distinction between [填空1]and[填空2]cannot be maintained; all sentences can be used to do things.
Duality contributes to [填空1] of language.