William Molyneux (1656–1698) was an Irish experimental philosopher and politician, who played a major role in the intellectual life in seventeenth-century Dublin. He became Locke’s friend and correspondent in 1692 and was probably Locke’s philosophically most significant correspondent. Locke approached Molyneux for advice for revising his Essay concerning Human Understanding as he was preparing the second and subsequent editions. Locke made several changes in response to Molyneux’s suggestions; they include major revisions of the chapter ‘Of Power’ (2.21), the addition of (...) the chapter ‘Of Identity and Diversity’ (2.27), and the addition of the so-called Molyneux Problem (2.9.8). Molyneux repeatedly requested that Locke develops his views on morality. Additionally, their correspondence turned to questions concerning education and Molyneux’s keen interest in the topic likely prompted Locke to publish Some Thoughts Concerning Education in 1693. Moreover, Molyneux drew on Locke’s anonymously published Two Treatises of Government in his The Case of Ireland’s Being Bound by Acts of Parliament in England, Stated, which was first published in the spring of 1698. Molyneux revealed Locke’s authorship of Two Treatises against Locke’s will, yet their friendship continued until Molyneux’s untimely death in October 1698. (shrink)

ABSTRACTJohn Locke is famous for popularizing the method of the philosophical thought experiment in discussions of personal identity; the cases introduced in the second edition of An Essay Concerning Understanding are still employed by contemporary philosophers. Here I argue that Locke’s method is nonetheless importantly different from later efforts in ways that can help us better appreciate his larger projects. Rather than pumping the reader’s intuitions in support of his preferred account, Locke’s thought experiments serve to illustrate common errors in (...) assessments of identity that he sees as particularly prevalent and problematic. Locke defends his idea of ‘person’ otherwise, through what I call his ‘lived experiments’: observations about linguistic usage that serve to illustrate the term’s role in practical reasoning. I focus especially on Locke’s example of the forensic status of the madman. Examples like these do not, for Locke, demonstrate the intuitiveness of his analysis, but rather bolste... (shrink)

John Locke's account of personal identity is one of his most discussed theories. Opposing the Cartesian ontology of mind, Locke argued that the soul does not always think - for thinking is simply one of its operations, but not its essence -, and that personal identity consists in consciousness alone. Against Locke, an anonymous commentator published the Remarks upon an Essay concerning Humane Understanding charging Locke's view with possible immorality. Catharine Cockburn rebuffed the Remarker's objections, in her Defence of Mr. (...) Locke's Essay, depicting his view as more dangerous for morality than Locke's. This paper shifts the focus from Cockburn's defence of Locke's moral thought, to her apology for his theory of personal identity, including his probabilistic arguments in favour of the immortality of the soul. This shift of focus yields an alternative account of Cockburn's originality: first, because she offered a non-substance interpretation of Locke's theory of personal identity, that, for its time, was unusual, and remains relevant for contemporary philosophical debates over Locke; and second, because, following Kristeller, in the very act of defending and articulating anew Locke's theory, Cockburn in some sense appropriated it. (shrink)

This paper gives three arguments for why Lockean persons must be modes rather than substances.

Locke’s commentators are divided about whether Locke thinks that the idea of a person is a substance-idea or a mode-idea. I use Locke’s theory of kinds to argue for an intermediate interpretation on which the idea of a person is a substance-idea that contains a mode-idea. As a result, while proponents of the substance interpretation correctly claim that ‘person’ designates a kind of substance, proponents of the mode interpretation are nonetheless correct in insisting that mode-ideas play an important role in (...) Locke’s account of persons and personal identity. (shrink)

The importance of John Locke's discussion of persons is undeniable. Locke never explicitly tells us whether he thinks persons are substances or modes, however. We are thus left in the dark about a fundamental aspect of Locke's view. Many commentators have recently claimed that Lockean persons are modes. In this paper I swim against the current tide in the secondary literature and argue that Lockean persons are substances. Specifically I argue that what Locke says about substance, power, and agency commits (...) him to the claim that persons are substances. I consider the passages mode interpreters cite and show why these passages do not imply that Lockean persons are modes. I also respond to two objections anyone who thinks Lockean persons are substances must address. I show that a substance reading of Locke on persons can be sympathetic and viable. I contend that with a clearer understanding of the ontological status of Lockean persons we can gain a firmer grasp of what Locke's picture of persons looks like. Finally, once we are armed with a better understanding of Locke on substance, mode, and personhood, we can pave the way toward a more nuanced description of the early modern debate over personal identity. (shrink)