In this paper I intend to show how Hart in order to develop his theory of law was influenced by different philosophical problems such as: 1. the importance given to ordinary language, influence he received from both Austin and Wittgenstein II; 2. The notion of Waisman’s ‘open texture’ that Hart applied to the law 3. The notion of social behavior which is governed by rules as conceived by both Searle and Winch.Pretendo mostrar en este escrito cómo para desarrollar su teoría del derecho Hart estuvo influenciado por diferentes problemas filosóficos como: 1. La importancia que le da al lenguaje ordinario, influencia que recibió tanto de Austin como de Wittgenstein II; 2. La noción de textura abierta de Waisman que Hart aplica al derecho; 3. La ...