Nouns for Natural Kinds and the Problem of Arbitrariness

2019 ◽  
pp. 140-183
Author(s):  
Mario Gómez-Torrente

This chapter explains the “Kripke-Putnam orthodoxy” about the reference fixing of ordinary natural kind nouns, and some objections to it, especially “arbitrariness problems”: for example, a Kripke-Putnam baptism for “water” doesn’t discriminate between, say, H2O and P2O (H2O where the isotope of hydrogen involved is protium oxide, as in regular paradigms of water). The chapter presents a picture of reference fixing for natural kind nouns that refines the Kripke-Putnam picture and that appeals to sets of roughly sufficient conditions for reference and reference failure. It is argued that on this picture the referents of ordinary natural kind nouns turn out to be “ordinary kinds,” kinds which are vague along dimensions along which scientific kinds are precise: the reference of “water” is “the ordinary kind water” rather than H2O or other scientifically identified kinds. It is argued that this suffices to dispose of the arbitrariness worry on a broadly Kripkean view.

Philosophy ◽  
2016 ◽  
Author(s):  
Alexander Bird

It appears to us that things in the natural world divide into different kinds. The most obvious examples come from biology. Cats are clearly distinct from mice; while both kinds show variation, all the cats are more similar to one another than they are to any mouse. We see different kinds of tree and different kinds of lichen. These are kinds that are apparent to any reasonably careful observer. Other kinds seem to be revealed by science. The chemical revolution gave us new ideas about what it is to be a chemical element, and in the subsequent decades many dozens of these different basic chemical kinds were revealed. The following century uncovered a multiplicity of different kinds of fundamental physical particle. While at a different set of scales, geologists distinguish different kinds of rock, meteorologists distinguish different kinds of weather system, and astronomers distinguish different kinds of galaxy. The philosophical questions that natural kinds generate can themselves be categorized into three types as they relate to metaphysics, philosophy of language, and philosophy of science. (It should be noted nonetheless that discussion of these questions quite rightly overlaps these fields. Consequently, works listed in this article may be relevant to further sections in addition to the ones they are listed under.) Here are examples of the philosophical questions surrounding natural kinds. Does the world itself genuinely have a structure of objective natural kinds, so that there are natural divisions of things by kinds? And do our actual natural classifications match those kinds? Or are what we take to be kinds merely the product of a particular non-objective perspective? How does a natural kind (or belonging to a natural kind) differ from other natural properties? In virtue of what do things group themselves into kinds? How is kind membership determined—for example, by necessary and sufficient conditions or by something else? Do, indeed, natural kinds have essences? Are there entities that are the natural kinds? Do our natural kind terms refer to such entities rather as names refer to objects? Is there a non-trivial way of spelling out the idea of rigid designation for natural kinds terms? Do the semantics of natural kind terms vindicate essentialism about kinds? Does what we discover about kinds in the special sciences (e.g., concerning chemical substances and biological species) support or undermine philosophical conceptions of kinds?


Author(s):  
Anya Plutynski

Is cancer one or many? If many, how many diseases is cancer, exactly? I argue that this question makes a false assumption; there is no single “natural” classificatory scheme for cancer. Rather, there are many ways to classify cancers, which serve different predictive and explanatory goals. I consider two philosophers’ views concerning whether cancer is a natural kind, that of Khalidi, who argues that cancer is the closest any scientific kind comes to a homeostatic property cluster kind, and that of Lange, whose conclusion is the opposite of Khalidi’s; he argues that cancer is at best a “kludge” and that advances in molecular subtyping of cancer hail the “end of diseases” as natural kinds. I consider several alternative accounts of natural or “scientific” kinds, the “simple causal view,” the “stable property cluster” view, and “scientific kinds,” and argue that the diverse aims of cancer research require us to embrace a much more pluralistic view.


Apeiron ◽  
2021 ◽  
Vol 0 (0) ◽  
Author(s):  
John D. Proios

Abstract Plato’s invention of the metaphor of carving the world by the joints (Phaedrus 265d–66c) gives him a privileged place in the history of natural kind theory in philosophy and science; he is often understood to present a paradigmatic but antiquated view of natural kinds as possessing eternal, immutable, necessary essences. Yet, I highlight that, as a point of distinction from contemporary views about natural kinds, Plato subscribes to an intelligent-design, teleological framework, in which the natural world is the product of craft and, as a result, is structured such that it is good for it to be that way. In Plato’s Philebus, the character Socrates introduces a method of inquiry whose articulation of natural kinds enables it to confer expert knowledge, such as literacy. My paper contributes to an understanding of Plato’s view of natural kinds by interpreting this method in light of Plato’s teleological conception of nature. I argue that a human inquirer who uses the method identifies kinds with relational essences within a system causally related to the production of some unique craft-object, such as writing. As a result, I recast Plato’s place in the history of philosophy, including Plato’s view of the relation between the kinds according to the natural and social sciences. Whereas some are inclined to separate natural from social kinds, Plato holds the unique view that all naturalness is a social feature of kinds reflecting the role of intelligent agency.


2014 ◽  
Vol 29 (1) ◽  
pp. 145-169
Author(s):  
Devin Henry

In this paper I examine Aristotle’s biological use of the concept of analogy. On the reading I defend, biological analogues are parts that realize the same capacity of soul or occupy a similar location in the animals whose parts they are but are not specific (“more-and-less”) modifications of the same underlying material substratum. The concept of analogy serves two principal functions in Aristotle’s biology. First, Aristotle uses analogy as a tool for classifying animals into separate natural kinds (Part 3). Second, analogy plays an explanatory role in which the same causal explanation is transferred to “φ and its analogue” (Part 4). Here the function of analogy is to group different parts into a single explanatory class unified on the basis of shared causes. One of the upshots of my interpretation is that, while analogical unity may allow us to posit a common explanation for φ and its analogue, it is not grounds for treating the class of animals that ­possess those parts as a natural kind. For Aristotle, natural kinds are groups whose shared similarities must result from common causes operating on a common material substratum.



2019 ◽  
Author(s):  
Emily Foster-Hanson ◽  
Marjorie Rhodes

Draft of chapter to appear in: The Psychology of Natural Kinds Terms. In S.T. Biggs, & H. Geirsson (Eds.) The Routledge Handbook on Linguistic Reference. London: Routledge.


Dialogue ◽  
1990 ◽  
Vol 29 (2) ◽  
pp. 205-218 ◽  
Author(s):  
John Bigelow

Recently, Brian Ellis came up with a neat and novel idea about laws of nature, which at first I misunderstood. Then I participated, with Brian Ellis and Caroline Lierse, in writing a joint paper, “The World as One of a Kind: Natural Necessity and Laws of Nature” (Ellis, Bigelow and Lierse, forthcoming). In this paper, the Ellis idea was formulated in a different way from that in which I had originally interpreted it. Little weight was placed on possible worlds or individual essences. Much weight rested on natural kinds. I thought Ellis to be suggesting that laws of nature attribute essential properties to one grand individual, The World. In fact, Ellis is hostile towards individual essences for any individuals at all, including The World. He is comfortable only with essential properties of kinds, rather than individuals. The Ellis conjecture was that laws of nature attribute essential properties to the natural kind of which the actual world is one (and presumably the only) member.


Author(s):  
Scott Soames

This chapter approaches the ontological question, “What are natural kinds?” through another, partially linguistic, question. “What must natural kinds be like if the conventional wisdom about natural kind terms is correct?” Although answering this question will not tell us everything we want to know, it will, be useful in narrowing the range of feasible ontological alternatives. The chapter summarizes the contemporary linguistic wisdom and then tests different proposals about kinds against it. It takes simple natural kind terms—like “green,” “gold,” “water,” “tiger,” and “light”—to be Millian terms that rigidly designate properties typically determined by a reference-fixing stipulation to the effect that the general term is to designate whatever property provides the explanation of why, at actual world-state, all, or nearly all, the samples of items associated with the term by speakers who introduce it have the observational properties they do.


2019 ◽  
pp. 213-220
Author(s):  
Mario Gómez-Torrente

This chapter revisits from a synoptic perspective two of the main themes of the book. First, the critique of descriptivism based on indeterminacy cases and the proposal of mere roughly sufficient conditions for the reference fixing of demonstratives, proper names, and ordinary natural kind nouns. And second, the proposal that Arabic numerals, ordinary natural kind nouns, and adjectives for sensible qualities have, despite popular eliminativist arguments to the contrary, referents of a relatively ordinary nature appropriately determined in subtle ways by their associated reference-fixing conventions. The two themes of the book revisited in these concluding notes are related to an important part of the spirit of Kripke’s work on reference.


Author(s):  
Chris Daly

Objects belonging to a natural kind form a group of objects which have some theoretically important property in common. For example, rabbits form a natural kind, all samples of gold form another, and so on. Natural kinds are contrasted with arbitrary groups of objects such as the contents of dustbins, or collections of jewels. The latter have no theoretically important property in common: they have no unifying feature. Natural kinds provide a system for classifying objects. Scientists can then use this system to predict and explain the behaviour of those objects. For these reasons, the topic of natural kinds is of special interest to metaphysics and to the philosophy of science.


Metaphysica ◽  
2018 ◽  
Vol 19 (1) ◽  
pp. 113-135 ◽  
Author(s):  
Max Kistler

AbstractThe identity of a natural kind can be construed in terms of its causal profile. This conception is more appropriate to science than two alternatives. The identity of a natural kind is not determined by one causal role because one natural kind can have many causal roles and several functions and because some functions are shared by different kinds. Furthermore, the microstructuralist thesis is wrong: The identity of certain natural kinds is not determined by their microstructure. It is true that if A and B have the same microstructural composition then a sample of a chemical substance A is of the same chemical substance as a sample of B. However, the reverse does not hold. It is not the case that if a sample of a chemical substance A is of the same chemical substance as a sample of B then A and B have the same microstructural composition. This is because a macroscopic NK can be “multiconstituted” by different microstructures.


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