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Holmes exists is false. How can this be, when there is no one for the sentence to misdescribe? Part of the answer is that a sentence’s topic depends on context. The king of France is bald, normally unevaluable, is false qua description of the bald people. Likewise Holmes exists is false qua description of the things that exist; it misdescribes those things as having Holmes among them. This does not explain, though, how Holmes does not exist differs in cognitive content from, say, Vulcan does not exist. Our answer builds on an observation of Kripke’s: even if Holmes exists, he is not in this room, for we were all born too late.

In his Meditations, René Descartes asks, "what am I?" His initial answer is "a man." But he soon discards it: "But what is a man? Shall I say 'a rational animal'? No: for then I should inquire what an animal is, what rationality is, and in this way one question would lead down the slope to harder ones." Instead of understanding what a man is, Descartes shifts to two new questions: "What is Mind?" and "What is Body?" These questions develop into Descartes's main philosophical preoccupation: the Mind-Body distinction. How can Mind and Body be independent entities, yet joined--essentially so--within a single human being? If Mind and Body are really distinct, are human beings merely a "construction"? On the other hand, if we respect the integrity of humans, are Mind and Body merely aspects of a human being and not subjects in and of themselves? For centuries, philosophers have considered this classic philosophical puzzle. Now, in this compact, engaging, and long-awaited work, UCLA philosopher Joseph Almog closely decodes the French philosopher's argument for distinguishing between the human mind and body while maintaining simultaneously their essential integration in a human being. He argues that Descartes constructed a solution whereby the trio of Human Mind, Body, and Being are essentially interdependent yet remain each a genuine individual subject. Almog's reading not only steers away from the most popular interpretations of Descartes, but also represents a scholar coming to grips directly with Descartes himself. In doing so, Almog creates a work that Cartesian scholars will value, and that will also prove indispensable to philosophers of language, ontology, and the metaphysics of mind.

Essentialists hold that certain of a thing's properties are specially fundamental, antiessentialists that all of a thing's properties are on a par. As a result, essentialists can explain how, e.g., a statue and its clay are different, but not how they are the same, whereas antiessentialists can explain how they're the same but not how they're different. Ordinarily, though, we reckon them in one sense the same and in another different. ;To accomodate the ordinary view, essentialism and antiessentialism must be brought together. To this end, I identify a property as categorical if its possession in a world speaks to what goes on in that world alone; count essentialist particulars contingently identical in a world if they share their categorical properties there; and introduce antiessentialist, or concrete, particulars as entities for which contingent identity is all the identity there is. Concrete particulars emerge as limiting cases of the essentialist particulars with which they were formerly contrasted, and essentialism and antiessentialism are to that extent reconciled. ;With matters so complicated clarity is at a premium, so the scheme is formalized. Each Kripke model of quantified modal logic is supplemented with a set of properties, constrained so that essences drawn from the set specify what a thing must be like to be the thing it is. When one thing's essence includes another's, they are variants. Properties insensitive to the difference between variants are categorical, and contingent identity is sameness of categorical properties. If concrete things are things existing in one world only, then all their properties are on a par, and they're contingently identical iff properly identical. To show the tractability of reasoning about particulars thus understood, I give a sound and complete logic. ;Formalism isn't an end in itself, but the present formalism pays its way by bringing new clarity to traditional issues: I prove that indiscernibles are identical; give an analysis of kind properties; establish the relativity of cross-world identity between concrete things to kinds; forge new links between modality, time, and potentiality; and give an improved counterfactual account of causation

Kripke, argued like this: it seems possible that E; the appearance can't be explained away as really pertaining to a "presentation" of E; so, pending a different explanation, it is possible that E. Textbook Kripkeans see in the contrast between E and its presentation intimations of a quite general distinction between two sorts of meaning. E's secondary or a posteriori meaning is the set of all worlds w which E, as employed here, truly describes. Its primary or a priori meaning is the set of all w such that if w is actual, then E is true. "Conceivability error" occurs when a primary possibility is mistaken for a secondary one. Textbook Kripkeanism is rejected on the grounds that it makes meaning too modal and modality too much a matter of meaning.

Essence and causation are fundamental in metaphysics, but little is said about their relations. Some essential properties are of course causal, as it is essential to footprints to have been caused by feet. But I am interested less in causation's role in essence than the reverse: the bearing a thing's essence has on its causal powers. That essencemight make a causal contribution is hinted already by the counterfactual element in causation; and the hint is confirmed by the explanation essence offers of something otherwise mysterious, namely, how events exactly alike in every ordinary respect, like the bolt'ssuddenly snapping and its snapping per se, manage to disagree in what they cause. Some prior difference must exist between these events to make their causal powers unlike. Paradoxically, though, it can only be in point of a property, suddenness, which both events possess in common. Only by postulating a difference in themanner — essential or accidental — of the property's possession is the paradox resolved. Next we need an account of causation in which essence plays an explicit determinative role. That account, based on the idea that causes should becommensurate with their effects, is thatx causesy only if nothing essentially poorer would have done, and nothing essentially richer was needed.