Nativism

Author(s):  
Jerry Samet

Traditional empiricism claims that the mind is initially equipped only with the capacity for experience and the mechanisms that make it possible for us to learn from experience. Nativists have argued that this is not enough, and that our innate endowment must be far richer, including information, ideas, beliefs, perhaps even knowledge. Empiricism held the advantage until recently, partly because of a misidentification of nativism with rationalism. Rationalists such as Descartes and Leibniz thought nativism would explain how a priori knowledge of necessary truths is possible. However, the fact that something is innate does not establish that it is true, let alone that it is necessary or a priori. More recently, nativism has been reanimated by Chomsky’s claims that children must have innate language-specific information that mediates acquisition of their native tongue. He argues that, given standard empiricist learning procedures, the linguistic data available to a child underdetermines the grammar on which they converge at a very young age, with relatively little effort or instruction. The successes in linguistics have led to fruitful research on nativism in other domains of human knowledge: for example, arithmetic, the nature of physical objects, features of persons, and possession of concepts generally.

Author(s):  
Alan Sidelle

Necessary truths have always seemed problematic, particularly to empiricists and other naturalistically-minded philosophers. Our knowledge here is a priori - grounded in appeals to what we can imagine or conceive (or can prove on that basis) - which seems hard to reconcile with such truths being factual, short of appealing to some peculiar faculty of a priori intuition. And what mysterious extra feature do necessary truths possess which makes their falsity impossible? Conventionalism about necessity claims that necessary truths obtain by virtue of rules of language, such as that ‘vixen’ means the same as ‘female fox’. Because such rules govern our descriptions of all cases - including counterfactual or imagined ones - they generate necessary truths (‘All vixens are foxes’), and our a priori knowledge is just knowledge of word meaning. Opponents of conventionalism argue that conventions cannot ground necessary truths, particularly in logic, and have also challenged the notion of analyticity (truth by virtue of meaning). More recent claims that some necessary truths are a posteriori have also fuelled opposition to conventionalism.


2020 ◽  
Author(s):  
John Turri

I argue that you can have a priori knowledge of propositions that neither are nor appear necessarily true. You can know a priori contingent propositions that you recognize as such. This overturns a standard view in contemporary epistemology and the traditional view of the a priori, which restrict a priori knowledge to necessary truths, or at least to truths that appear necessary


Philosophy ◽  
1969 ◽  
Vol 44 (167) ◽  
pp. 12-32 ◽  
Author(s):  
Don Locke

The problem of necessity is fundamentally a problem of knowledge: how can we know not just that something is so but that it must be so, not just that a statement is true but that it must be true? The problem arises the moment we make two fairly familiar assumptions: that all knowledge comes, in the end, from experience; and that experience can tell us only that something is so and not that it must be so. From these it follows immediately that there can be no knowledge of necessary truths. Yet obviously we do have such knowledge: we know that bachelors must be unmarried and that the angles of a Euclidean triangle must total 180°. It seems equally obvious that we do not learn such facts from experience, from observing bachelors and triangles, so it seems clear which of the assumptions is mistaken. Whatever may be the success of Locke's attack on innate knowledge, it seems undeniable that we do have knowledge which does not come from experience. We do possess some a priori knowledge, viz. knowledge of necessary truths.


Author(s):  
Robert Audi

This book provides an overall theory of perception and an account of knowledge and justification concerning the physical, the abstract, and the normative. It has the rigor appropriate for professionals but explains its main points using concrete examples. It accounts for two important aspects of perception on which philosophers have said too little: its relevance to a priori knowledge—traditionally conceived as independent of perception—and its role in human action. Overall, the book provides a full-scale account of perception, presents a theory of the a priori, and explains how perception guides action. It also clarifies the relation between action and practical reasoning; the notion of rational action; and the relation between propositional and practical knowledge. Part One develops a theory of perception as experiential, representational, and causally connected with its objects: as a discriminative response to those objects, embodying phenomenally distinctive elements; and as yielding rich information that underlies human knowledge. Part Two presents a theory of self-evidence and the a priori. The theory is perceptualist in explicating the apprehension of a priori truths by articulating its parallels to perception. The theory unifies empirical and a priori knowledge by clarifying their reliable connections with their objects—connections many have thought impossible for a priori knowledge as about the abstract. Part Three explores how perception guides action; the relation between knowing how and knowing that; the nature of reasons for action; the role of inference in determining action; and the overall conditions for rational action.


Author(s):  
James Van Cleve

In a growing number of papers one encounters arguments to the effect that certain philosophical views are objectionable because they would imply that there are necessary truths for whose necessity there is no explanation. For short, they imply that there are brute necessities. Therefore, the arguments conclude, the views in question should be rejected in favor of rival views under which the necessities would be explained. This style of argument raises a number of questions. Do necessary truths really require explanation? Are they not paradigms of truths that either need no explanation or automatically have one, being in some sense self-explanatory? If necessary truths do admit of explanation or even require it, what types of explanation are available? Are there any necessary truths that are truly brute? This chapter surveys various answers to these questions, noting their bearing on arguments from brute necessity and arguments concerning the mind–body problem.


Author(s):  
Donald C. Williams

This chapter begins with a systematic presentation of the doctrine of actualism. According to actualism, all that exists is actual, determinate, and of one way of being. There are no possible objects, nor is there any indeterminacy in the world. In addition, there are no ways of being. It is proposed that actual entities stand in three fundamental relations: mereological, spatiotemporal, and resemblance relations. These relations govern the fundamental entities. Each fundamental entity stands in parthood relations, spatiotemporal relations, and resemblance relations to other entities. The resulting picture is one that represents the world as a four-dimensional manifold of actual ‘qualitied contents’—upon which all else supervenes. It is then explained how actualism accounts for classes, quantity, number, causation, laws, a priori knowledge, necessity, and induction.


Author(s):  
Barry Stroud

This chapter presents a straightforward structural description of Immanuel Kant’s conception of what the transcendental deduction is supposed to do, and how it is supposed to do it. The ‘deduction’ Kant thinks is needed for understanding the human mind would establish and explain our ‘right’ or ‘entitlement’ to something we seem to possess and employ in ‘the highly complicated web of human knowledge’. This is: experience, concepts, and principles. The chapter explains the point and strategy of the ‘deduction’ as Kant understands it, as well as the demanding conditions of its success, without entering into complexities of interpretation or critical assessment of the degree of success actually achieved. It also analyses Kant’s arguments regarding a priori concepts as well as a posteriori knowledge of the world around us, along with his claim that our position in the world must be understood as ‘empirical realism’.


Author(s):  
Keith DeRose

In this chapter the contextualist Moorean account of how we know by ordinary standards that we are not brains in vats (BIVs) utilized in Chapter 1 is developed and defended, and the picture of knowledge and justification that emerges is explained. The account (a) is based on a double-safety picture of knowledge; (b) has it that our knowledge that we’re not BIVs is in an important way a priori; and (c) is knowledge that is easily obtained, without any need for fancy philosophical arguments to the effect that we’re not BIVs; and the account is one that (d) utilizes a conservative approach to epistemic justification. Special attention is devoted to defending the claim that we have a priori knowledge of the deeply contingent fact that we’re not BIVs, and to distinguishing this a prioritist account of this knowledge from the kind of “dogmatist” account prominently championed by James Pryor.


Author(s):  
Shohei Tada ◽  
Syoji Kobashi ◽  
Kei Kuramoto ◽  
Fumiaki Imamura ◽  
Takatoshi Morooka ◽  
...  

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