What is the difference between truth and knowledge




















Although these other knowledges are indispensable to human existence, that very thing has seemed to make them base, materialistic, unsuited to higher minds. Philosophers even preferred to invent new concepts of truth rather than reconsider whether the best and most important knowledge has to be true.

Kant's theory suggested though not to Kant that truth may not be a matter of "correspondence" between thought and reality but merely a coherence of experience. The pragmatists took experimental knowledge as exemplary and promptly introduced a new theory of truth, defining it in terms of "working.

Certainly there is some difference between knowing that the earth rotates around the sun a true proposition and knowing how to play the flute a skill or art. But is the difference one in kinds of knowledge? What is obviously different about them is how the knowledge is expressed. In one case by producing a proposition, in the other by a musical performance. But that is a difference in the artifacts that express knowledge, and does not prove a difference in what makes these examples of knowledge at all.

In both cases the knowledge concerns artifacts, constructions of ours, whether propositions or musical performances. And in both cases these artifacts must rate as notable accomplishments. Not just any true proposition expresses knowledge; it has to be informative, important, an insight or discovery. And not just any playing constitutes knowledge mastery of the flute.

Heliocentric astronomy and musical artistry are therefore not so different as knowledge. Whether we speak of knowing that such and such is true or knowing how, we are qualifying capacities for performance at a certain high level with artifacts of some kind.

As examples of knowledge, a surgical operation or a bridge may serve as well as any scientific truth. Their quality as knowledge depends not on their truth but on other, equally rare qualities of artifactual construction.

There is reason to doubt, therefore, that shifting from justification to a condition like reliability will escape the Gettier problem. We have seen already how several of these attempts failed. When intuitive counterexamples were proposed to each theory, epistemologists often responded by amending their theories, complicating the existing conditions or adding new ones.

Much of this dialectic is chronicled thoroughly by Shope , to which the interested reader is directed. After some decades of such iterations, some epistemologists began to doubt that progress was being made. She offered what was in effect a recipe for constructing Gettier cases:. Zagzebski suggests that the resultant case will always represent an intuitive lack of knowledge.

So any non-redundant addition to the JTB theory will leave the Gettier problem unsolved. Zagzebski invites us to imagine that Mary has very good eyesight—good enough for her cognitive faculties typically to yield knowledge that her husband is sitting in the living room. Such faculties, even when working properly in suitable environments, however, are not infallible—if they were, the condition would not be independent from truth—so we can imagine a case in which they go wrong.

This belief, since false, is certainly not knowledge. Since the recipe is a general one, it appears to be applicable to any condition one might add to the JTB theory, so long as it does not itself entail truth. Although it would represent a significant departure from much analytic epistemology of the late twentieth century, it is not clear that this is ultimately a particularly radical suggestion.

Few concepts of interest have proved susceptible to traditional analysis Fodor If it does, then it will of course be impossible to start with a case that has justified false belief. This kind of approach is not at all mainstream, but it does have its defenders—see e. Sutton and Littlejohn defend factive approaches to justification on other grounds. Indeed, we have already seen some such attempts, albeit unsuccessful ones. For instance, the causal theory of knowledge includes a clause requiring that the belief that p be caused by the fact that p.

One family of strategies along these lines would build into an analysis of knowledge a prohibition on epistemic luck directly; let us consider this sort of move in more detail. Zagzebski herself outlines this option in her p. Unger gives an early analysis of this kind. For example:. Rather than composing knowledge from various independent components, this analysis demands instead that the epistemic states are related to one another in substantive ways.

The anti-luck condition, like the safety condition of the previous section, is vague as stated. For one thing, whether a belief is true by luck comes in degrees—just how much luck does it take to be inconsistent with knowledge?

Furthermore, it seems, independently of questions about degrees of luck, we must distinguish between different kinds of luck. Not all epistemic luck is incompatible with having knowledge. Suppose someone enters a raffle and wins an encyclopedia, then reads various of its entries, correcting many of their previous misapprehensions. There is a straightforward sense in which the resultant beliefs are true only by luck—for our subject was very lucky to have won that raffle—but this is not the sort of luck, intuitively, that interferes with the possession of knowledge.

But unless we are to capitulate to radical skepticism, it seems that this sort of luck, too, ought to be considered compatible with knowledge. Like the safety condition, then, a luck condition ends up being difficult to apply in some cases. We might try to clarify the luck condition as involving a distinctive notion of epistemic luck—but unless we were able to explicate that notion—in effect, to distinguish between the two kinds of luck mentioned above—without recourse to knowledge, it is not clear that the ensuing analysis of knowledge could be both informative and noncircular.

As our discussion so far makes clear, one standard way of evaluating attempted analyses of knowledge has given a central role to testing it against intuitions against cases. Some of the more recent attempts to analyse knowledge have been motivated in part by broader considerations about the role of knowledge, or of discourse about knowledge.

One important view of this sort is that defended by Edward Craig In particular, Craig suggested that the point of using the category of knowledge was for people to flag reliable informants—to help people know whom to trust in matters epistemic. Craig defends an account of knowledge that is designed to fill this role, even though it is susceptible to intuitive counterexamples.

The plausibility of such accounts, with a less intuitive extension but with a different kind of theoretical justification, is a matter of controversy. Another view worth mentioning in this context is that of Hilary Kornblith , which has it that knowledge is a natural kind, to be analysed the same way other scientific kinds are. Intuition has a role to play in identifying paradigms, but generalizing from there is an empirical, scientific matter, and intuitive counterexamples are to be expected.

The virtue-theoretic approach to knowledge is in some respects similar to the safety and anti-luck approaches. Indeed, Ernest Sosa, one of the most prominent authors of the virtue-theoretic approach, developed it from his previous work on safety.

The virtue approach treats knowledge as a particularly successful or valuable form of belief, and explicates what it is to be knowledge in such terms. Sosa has often e. The kind of success at issue in 1 , Sosa calls accuracy. The kind of skill discussed in 2 , Sosa calls adroitness. A shot is adroit if it is produced skillfully.

In addition to accuracy and adroitness, Sosa suggests that there is another respect in which a shot may be evaluated, relating the two. This, Sosa calls aptness. A shot is apt if it is accurate because adroit. Aptness entails, but requires more than, the conjunction of accuracy and adroitness, for a shot might be both successful and skillful without being apt.

For example, if a skillful shot is diverted by an unexpected gust of wind, then redirected towards the target by a second lucky gust, its ultimate accuracy does not manifest the skill, but rather reflects the lucky coincidence of the wind.

In particular, it is applicable to belief with respect to its aim at truth:. Sosa identifies knowledge with apt belief, so understood. It requires that the skill explain the success. This is in some respects similar to the anti-luck condition we have examined above, in that it legislates that the relation between justification and truth be no mere coincidence. When Smith believes that either Jones owns a Ford or Brown is in Barcelona, the accuracy of his belief is not attributable to his inferential skills which the case does not call into question.

When Henry looks at the only real barn in a countryside full of barn facades, he uses a generally reliable perceptual faculty for recognizing barns, and he goes right in this instance. If so, we would have to judge that his belief is apt and therefore qualifies as an instance of knowledge.

That would be a problematic outcome because the intuition the case is meant to elicit is that Henry does not have knowledge. There are three ways in which an advocate of the AAA approach might respond to this difficulty. First, AAA advocates might argue that, although Henry has a general competence to recognize barns, he is deprived of this ability in his current environment, precisely because he is in fake barn county.

According to a second, subtly different strategy, Henry retains barn-recognition competence, his current location notwithstanding, but, due to the ubiquity of fake barns, his competence does not manifest itself in his belief, since its truth is attributable more to luck than to his skill in recognizing barns.

Not every concept is analyzable into more fundamental terms. This is clear both upon reflection on examples—what analysis could be offered of hydrogen , animal , or John F. Why should we think that knowledge has an analysis? In recent work, especially his book Knowledge and Its Limits , Timothy Williamson has argued that the project of analyzing knowledge was a mistake.

His reason is not that he thinks that knowledge is an uninteresting state, or that the notion of knowledge is somehow fundamentally confused. On the contrary, Williamson thinks that knowledge is among the most fundamental psychological and epistemological states there are.

As such, it is a mistake to analyze knowledge in terms of other, more fundamental epistemic notions, because knowledge itself is, in at least many cases, more fundamental. Knowledge might figure into some analyses, but it will do so in the analysans, not in the analysandum. There is no very straightforward argument for this conclusion; its case consists largely in the attempted demonstration of the theoretical success of the knowledge first stance.

Weighing these benefits against those of more traditional approaches to knowledge is beyond the scope of this article. Although Williamson denies that knowledge is susceptible to analysis in the sense at issue in this article, he does think that there are interesting and informative ways to characterize knowledge. For example, Williamson accepts these claims:. Williamson is also careful to emphasize that the rejection of the project of analyzing knowledge in no way suggests that there are not interesting and informative necessary or sufficient conditions on knowledge.

The traditional ideas that knowledge entails truth, belief, and justification are all consistent with the knowledge first project. And Williamson is explicit in endorsement of a safety requirement on knowledge—just not one that serves as part of an analysis. One point worth recognizing, then, is that one need not engage in the ambitious project of attempting to analyze knowledge in order to have contact with a number of interesting questions about which factors are and are not relevant for whether a subject has knowledge.

In the next section, we consider an important contemporary debate about whether pragmatic factors are relevant for knowledge. Traditional approaches to knowledge have it that knowledge has to do with factors like truth and justification. Whether knowledge requires safety, sensitivity, reliability, or independence from certain kinds of luck has proven controversial. But something that all of these potential conditions on knowledge seem to have in common is that they have some sort of intimate connection with the truth of the relevant belief.

In recent years, some epistemologists have argued that focus on such truth-relevant factors leaves something important out of our picture of knowledge.

In particular, they have argued that distinctively pragmatic factors are relevant to whether a subject has knowledge. A difference in pragmatic circumstances can constitute a difference in knowledge. The constitution claim here is important; it is trivial that differences in pragmatic circumstances can cause differences in knowledge. For example, if the question of whether marijuana use is legal in Connecticut is more important to Sandra than it is to Daniel, Sandra is more likely to seek out evidence, and come to knowledge, than Daniel is.

This argument, however, is circular; its second premise is PUN itself! Accordingly, we need another argument to support our belief that PUN is true, and thus to justify our inductive arguments about the future and the unobserved. The study of knowledge is one of the most fundamental aspects of philosophical inquiry.

Any claim to knowledge must be evaluated to determine whether or not it indeed constitutes knowledge. Such an evaluation essentially requires an understanding of what knowledge is and how much knowledge is possible.

David A. Truncellito Email: truncell aya. Epistemology Epistemology is the study of knowledge. The Nature of Propositional Knowledge Having narrowed our focus to propositional knowledge, we must ask ourselves what, exactly, constitutes knowledge.

Truth Knowledge, then, requires belief. Justification Knowledge, then, requires factual belief. The Gettier Problem For some time, the justified true belief JTB account was widely agreed to capture the nature of knowledge.

The No-False-Belief Condition We might think that there is a simple and straightforward solution to the Gettier problem. The No-Defeaters Condition However, the no-false-belief condition does not seem to be completely misguided; perhaps we can add some other condition to justification and truth to yield a correct characterization of knowledge. Causal Accounts of Knowledge Rather than modifying the JTB account of knowledge by adding a fourth condition, some epistemologists see the Gettier problem as reason to seek a substantially different alternative.

The Nature of Justification One reason that the Gettier problem is so problematic is that neither Gettier nor anyone who preceded him has offered a sufficiently clear and accurate analysis of justification. Internalism Belief is a mental state, and belief-formation is a mental process. The series of justified beliefs begins with an unjustified belief. The series of justified beliefs begins with a belief which is justified, but not by virtue of being based on another justified belief.

Foundationalism Let us, then, consider each of the four possibilities mentioned above. Coherentism Internalists might be dissatisfied with foundationalism, since it allows for the possibility of beliefs that are justified without being based upon other beliefs.

The Extent of Human Knowledge a. Sources of Knowledge Given the above characterization of knowledge, there are many ways that one might come to know something.

Skepticism In addition to the nature of knowledge, epistemologists concern themselves with the question of the extent of human knowledge: how much do we, or can we, know? Humean Skepticism According to the indistinguishability skeptic, my senses can tell me how things appear , but not how they actually are.

Numerical vs. Qualitative Identity We typically believe that the external world is, for the most part, stable. If asked to make my reasoning explicit, I might proceed as follows: I have had two sense-experiences of my car: one this morning and one just now.

If asked to make my reasoning explicit, I might proceed as follows: My car has always persisted in the past. Such an argument would proceed as follows: PUN has always been true in the past. Conclusion The study of knowledge is one of the most fundamental aspects of philosophical inquiry. Epistemic Justification: Essays in the Theory of Knowledge. Armstrong, David, Belief, Truth, and Knowledge. Cambridge: Cambridge University Press.

A defense of reliabilism. BonJour, Laurence, The Structure of Empirical Knowledge. A defense of coherentism. Chisholm, Roderick, Theory of Knowledge , 2nd edition. Theory of Knowledge , 3rd edition. Chisholm was one of the first authors to provide a systematic analysis of knowledge. His account of justification is foundationalist. Descartes, Rene, Meditations on First Philosophy. Reprinted in The Philosophical Writings of Descartes 3 volumes.

Cottingham, Stoothoff and Murdoch, trans. Descartes presents an infallibilist version of foundationalism, and attempts to refute skepticism. Dancy, Jonathan and Ernest Sosa eds. A Companion to Epistemology. Oxford: Blackwell. DeRose, Keith, DeRose Keith and Ted Warfield eds. Skepticism: A Contemporary Reader. Oxford: Oxford University Press. Feldman, Richard and Earl Conee, Gettier, Edmund, In which the Gettier problem is introduced.

Goldman, Alvin, Epistemology and Cognition. Cambridge: Harvard University Press. Perhaps the most important defense of reliabilism. Haack, Susan, An attempt to combine coherentism and foundationalism into an internalist account of justification which is superior to either of the two.

Hume, David, A Treatise on Human Nature. An Enquiry Concerning Human Understanding. Indianapolis: Hackett. Lehrer, Keith, Theory of Knowledge 2nd ed. Boulder, CO: Westview. This is also where we find the Truetemp example. Lehrer, Keith and Stewart Cohen, Lewis, David, Locke, John, An Essay Concerning Human Understanding. Oxford: Clarendon. Plato, Meno and Theaetetus. In Complete Works. Cooper, ed. Plato presents and defends a version of the JTB analysis of knowledge.

Truth is the state or quality of being true. We call a certain thing truth when it is in accordance with fact or reality. The opposite of truth is falsehood. The concept of truth is discussed and contested by various scholars in various contexts, including philosophy and religion. The methods used to verify truth are known as the criterion of truth. Given below are some common criteria which are commonly used to distinguish truth from falsehood. Authority: People tend to believe something as truth if it said by someone with authority and knowledge in the relevant field.



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