John Locke famously claimed that our idea of substance is but a confused idea of “something we know not what.” However, he also thought that the idea of substance is a fundamental part of our ideas of ourselves and the objects surrounding us—of objects we do know. Interpreting this apparently ambivalent stance has long been a major challenge for Locke scholarship. In this article, I argue that the leading interpretations of Locke's conception of substance have failed to resolve this tension (...) because they have misconstrued the source of Locke's skepticism about our knowledge of what substance is. This skepticism, I argue, issues from an observation about the signification of the term “substance”: Locke maintained that the philosophical usage of the term is irremediably equivocal. This reading allows us to acknowledge that Locke could consistently hold that ordinary objects, such as persons, horses, or trees, are paradigmatic examples of substances. It also points to a better appreciation of how Locke's discussion of substance relates to the scholastic conceptions of substance he tried to overcome. (shrink)

RESUMEN: La teoría causal formulada por Kripke y Putnam es la teoría semántica dominante de los términos de género natural y, en especial, de los términos de sustancia. La teoría semántica de los términos de sustancia de Locke ha sido, supuestamente, refutada por aquélla. Según Putnam, la teoría de Locke ha pasado por alto dos importantes contribuciones a la semántica, y principalmente a la referencia, de los términos de sustancia, a saber, la contribución de la sociedad y la del entorno. (...) El objetivo de este artículo es argüir que la teoría de Locke puede incorporar la primera contribución y que alguien que en principio sostuviese una teoría como la de Locke podría verse llevado a aceptar también la segunda contribución.ABSTRACT: The causal theory put forward by Kripke and Putnam is the dominant semantic theory of natural kind terms and especially of substance terms. Locke’s semantic theory of substance terms has supposedly been rebutted by it. Locke’s theory has, according to Putnam, overlooked two significant contributions to the semantics, and mainly to the reference, of substance terms, namely, the contribution of the society and that of the environment. This paper aims to argue that Locke’s theory is able to embrace the first contribution and that someone who initially held a theory like Locke’s could be led to accept also the second one. (shrink)

In this paper, I will argue that Locke is a substance dualist in the general sense, in that he holds that there are, independent of our classificatory schema, two distinct kinds of substances: wholly material ones and wholly immaterial ones. On Locke’s view, the difference between the two lies in whether they are solid or not, thereby differentiating him from Descartes. My way of establishing Locke as a general substance dualist is to be as minimally committal as possible at the (...) outset, especially with respect to the classic debates on Locke’s positions in this domain, including those concerning substrata, real essences, and the like. Nonetheless, I show that minimal commitments about Locke’s primary/secondary quality distinction are sufficient to derive some substantive conclusions about his positions on these issues, as well as that he is a general substance dualist. (shrink)

In this paper we present a new metaphysical theory of material objects. On our theory, objects are bundles of property instances, where those properties give the nature or essence of that object. We call the theory essential bundle theory. Property possession is not analysed as bundle-membership, as in traditional bundle theories, since accidental properties are not included in the object’s bundle. We have a different story to tell about accidental property possession. This move reaps many benefits. Essential bundle theory delivers (...) a simple theory of the essential properties of material objects; an explanation of how object coincidence can arise; an actual-world ground for modal differences between coincident objects; a simple story about intrinsic properties; and a plausible account of certain ubiquitous cases of causal overdetermination. (shrink)

La teoría de la identidad personal, añadida por Locke a la segunda edición de su Ensayo sobre el entendimiento humano, presenta una caracterización ontológica ambigua de la naturaleza de las personas. Por un lado, pareciera que las personas no pueden ser caracterizadas como sustancias. Por otro, sin embargo, la única alternativa disponible -es decir, la que las caracteriza como modos- no es totalmente satisfactoria. Se podría considerar a las personas como correspondientes a una simple actitud pragmática de los hombres en (...) relación con ellos mismos, pero esta alternativa tampoco está exenta de problemas. Este artículo propone que el mejor abordaje del texto no es intentar determinar lo que Locke realmente quiso decir, corrigiendo de alguna manera lo que escribió, sino considerar estas ambigüedades como un índice de una posición filosófica positiva. The theory on personal identity, added by Locke in the second edition of his Essay on Human Understanding, displays a dubious characterization on the nature of persons. In the one hand, it seems that persons can not be characterized as substances. But, on the other hand, the only available alternative - viz., to characterize them as modes - is not entirely satisfactory either. One could say that there is a possibility left, that of considering persons as the correspondents of a mere pragmatic attitude men take in relation to themselves, but unfortunately this alternative is also subjected to some serious problems. Taking into consideration these difficulties, this paper proposes that the best account of the text is not to undertake a determination of what Locke really wanted to say, emending in some way his writing, but rather to consider these ambiguities as the sign of a positive philosophical position. (shrink)