Philosophical skepticism: Difference between revisions
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* Buddhism places less emphasis on truth and knowledge than western philosophical skepticism. Instead, it emphasizes the goal of ''[[Bodhi]]'', which, although often translated as ''enlightenment'', does not imply truth or knowledge. |
* Buddhism places less emphasis on truth and knowledge than western philosophical skepticism. Instead, it emphasizes the goal of ''[[Bodhi]]'', which, although often translated as ''enlightenment'', does not imply truth or knowledge. |
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* At least in its manifestation of [[Nagarjuna|Nagarjuna's]] texts that form the core of [[Madhyamaka]], the anti-essentialist aspect of Buddhism makes it an anti-philosophy. From that stance, truth exists solely within the contexts that assert them. |
* At least in its manifestation of [[Nagarjuna|Nagarjuna's]] texts that form the core of [[Madhyamaka]], the anti-essentialist aspect of Buddhism makes it an anti-philosophy. From that stance, truth exists solely within the contexts that assert them. |
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====Jain Philosophy of Anekantavada and Syadavada==== |
====Jain Philosophy of Anekantavada and Syadavada==== |
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Each of these seven propositions examines the complex and multifaceted reality from a relative point of view of time, space, substance and mode. To ignore the complexity of the objects is to commit the fallacy of dogmatism. |
Each of these seven propositions examines the complex and multifaceted reality from a relative point of view of time, space, substance and mode. To ignore the complexity of the objects is to commit the fallacy of dogmatism. |
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== China == |
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== Schools of philosophical skepticism == |
== Schools of philosophical skepticism == |
Revision as of 01:27, 19 March 2009
![](http://upload.wikimedia.org/wikipedia/commons/thumb/f/f2/Jan_Baptist_Weenix_-_Portrait_of_Ren%C3%A9_Descartes.jpg/200px-Jan_Baptist_Weenix_-_Portrait_of_Ren%C3%A9_Descartes.jpg)
- For a general discussion of skepticism, see Skepticism.
Philosophical skepticism (from Greek σκέψις - skepsis meaning "enquiry" - UK and traditional spelling, scepticism) is both a philosophical school of thought and a method that crosses disciplines and cultures. Many skeptics critically examine the meaning systems of their times, and this examination often results in a position of ambiguity or doubt. This skepticism can range from disbelief in contemporary philosophical solutions, to agnosticism, to rejecting the reality of the external world. One kind of Scientific skepticism refers to the critical analysis of claims lacking empirical evidence. We are all skeptical of some things, especially since doubt and opposition are not always clearly distinguished. Philosophical skepticism, however, is an old movement with many variations, and contrasts with the view that at least one thing is certain, but if by being certain we mean absolute or unconditional certainty, then it is doubtful if it is rational to claim to be certain about anything. Indeed, for Hellenistic philosophers claiming that at least one thing is certain makes one a dogmatist.
History of skepticism
Ancient Western Skepticism
The Western tradition of systematic skepticism goes back at least as far as Pyrrho of Elis. He was troubled by the disputes that could be found within all philosophical schools of his day. According to a later account of his life, he became overwhelmed by his inability to determine rationally which school was correct. Upon admitting this to himself, he finally achieved the inner peace that he had been seeking.
From a Stoic point of view, Pyrrho found peace by admitting to ignorance and seeming to abandon the criterion by which knowledge is gained. Pyrrho's ignorance was not the ignorance of children or farm animals: it was a knowledgeable ignorance, arrived at through the application of logical reasoning and exposition of its inadequacy. The school of thought developed primarily in opposition to what was seen as the dogmatism, or ultimately unfounded assertions of the Stoics; Pyrrhonists made distinctions between "being" and "appearing" and between the identity and the sensing of a phenomenon.
Pyrrho and his school were not actually "skeptics" in the later sense of the word. They had the goal of αταραξια (ataraxia - peace of mind), and pitted one dogmatic philosophy against the next to undermine belief in the whole philosophic enterprise. The idea was to produce in the student a state of aversion towards what the Pyrrhonists considered arbitrary and inconsequential babble. Since no one can observe or otherwise experience causation, external world (its "externality"), ultimate purpose of the universe or life, justice, divinity, soul, etc., they declared no need to believe in such things. The Pyrrhonists pointed out that, despite claims that such notions were necessary, some people "ignorant" of them get by just fine before learning about them. They further noted that science does not require belief and that faith in intelligible realities is different from pragmatic convention for the sake of experiment. For each intuitive notion (e.g. the existence of an external world), the Pyrrhonists cited a contrary opinion to negate it. They added that consensus indicates neither truth nor even probability. For example, the earth is round, and it would remain so even if everyone believed it were flat. Unless, of course, it is flat, and we all simply believe it is round.
The goal of this critique, which Pyrrho's followers realized would ultimately subvert even their own method, was to cultivate a distrust of all grand talk. They expected philosophy to collapse into itself. How far in this direction the Pyrrhonean commitment extended is a matter of debate. The Pyrrhonists confessed a belief in appearances, e.g. in hot and cold, grief and joy. It is impossible to deny, they admitted, that one seems to be in pain or seems to touch a piece of wood. Their world, thus, was completely phenomenological. An accomplished Pyrrhonist could, ideally, live as well as a dogmatist but with the added benefit of not worrying about truth and falsity, right and wrong, God's will, and so forth.
Later thinkers took up Pyrrho's approach and extended it into modern skepticism. In the process, a split appeared within the movement, never too large or well-liked among the literati to begin with. In the New or Middle Academy, Arcesilaus (c. 315-241 B.C.) and Carneades (c. 213-129 B.C.) argued from Stoic premises that the Stoics were actually committed to denying the possibility of knowledge, but seemed to maintain nothing themselves, but Clitomachus, a student of Carneades, interpreted his teacher's philosophy as suggesting an early probabilistic account of knowledge. The Roman politician and philosopher, Cicero, also seems to have been a supporter of the probabilistic position attributed to the Middle Academy, even if the return to a more dogmatic orientation of that school was already beginning to take place.
In the centuries to come, the words Academician and Pyrrhonist would often be used to mean generally skeptic, often ignoring historical changes and distinctions between denial of knowledge and avoidance of belief, between degree of belief and absolute belief, and between possibility and probability. [citation needed]
Sextus Empiricus
Sextus Empiricus (c. A.D. 200), the main authority for Pyrrhonian skepticism, worked outside the Academy, which by his time had ceased to be a skeptical or probabilistic school, and argued in a different direction, incorporating aspects of empiricism into the basis for evaluating knowledge, but without the insistence on experience as the absolute standard of it. Sextus' empiricism was limited to the "absolute minimum" already mentioned — that there seem to be appearances. He developed this basic thought of Pyrrho's into lengthy arguments, most of them directed against Stoics and Epicureans, but also the Academic skeptics. The common anti-skeptical argument is that if one knows nothing, one cannot know that one knows nothing, and so may know something after all. It is worth noting that such argument only succeeds against the complete denial of the possibility of knowledge. Considering dogmatic the claims both to know and not to know, Sextus and his followers claimed neither. Instead, despite the apparent conflict with the goal of ataraxia, they claimed to continue searching for something that might be knowable.
Empiricus, as the most systematic and dogmatic author of the works by Helenistic sceptics which have survived, noted that there are at least ten modes of skepticism. These modes may be broken down into three categories: we may be skeptical of the subjective perceiver, of the objective world, and the relation between perceiver and the world.[1]
Subjectively, both the powers of the senses and of reasoning may vary across persons. And since knowledge is a product of one and/or the other, and since neither are reliable, knowledge would seem to be in trouble. For instance, a color-blind person sees the world quite differently from everyone else. Moreover, we cannot even give preference on the basis of the power of reason, i.e., by treating the rational animal as a carrier of greater knowledge than the irrational animal. For the irrational animal is still adept at navigating their environment, which presupposes the ability to know about some aspects of the environment.
Secondly, the personality of the individual might also have an impact on what they observe, since (it is argued) preferences are based on sense-impressions, differences in preferences can be attributed to differences in the way that people are affected by the object. (Empiricus:56)
Third, the perceptions of each individual sense seemingly have nothing in common with the other senses: i.e., the color "red" has little to do with the feeling of touching a red object. This is manifest when our senses "disagree" with each other: for example, a mirage presents certain visible features, but is not responsive to any other kind of sense. In that case, our other senses defeat the impressions of sight. But we may also be lacking enough powers of sense to understand the world in its entirety: if we had an extra sense, then we might know of things in a way that the present five senses are unable to advise us of. Given that our senses can be shown to be unreliable by appealing to other senses, and so our senses may be incomplete (relative to some more perfect sense that we lack), then it follows that all of our senses may be unreliable. (Empiricus:58)
Fourth, our circumstances when we do any perceiving may be either natural or unnatural, i.e., we may be either in a state of wakefulness or that of sleep. But it is entirely possible that things in the world really are exactly as they appear to be to those in unnatural states (i.e., if everything were an elaborate dream). (Empiricus:59)
We have reasons for doubt that are based on the relationship between objective "facts" and subjective experience. The positions, distances, and places of objects would seem to affect how they are perceived by the person: for instance, the portico may appear tapered when viewed from one end, but symmetrical when viewed at the other; and these features are different. Because they are different features, to believe the object has both properties at the same time is to believe it has two contradictory properties. Since this is absurd, we must suspend judgment about what properties it possesses. (Empiricus:63)
We may also observe that the things we perceive are, in a sense, polluted by experience. Any given perception -- say, of a chair -- will always be perceived within some context or other (i.e., next to a table, on a mat, etc.) Since this is the case, we can only speak of ideas as they occur in the context of the other things that are paired with it. We can never know of the true nature of the thing, but only how it appears to us in context. (Empiricus: 64)
Along the same lines, the skeptic may insist that all things are relative, by arguing that:
- Absolute appearances either differ from relative appearances, or they do not.
- If absolutes do not differ from relatives, then they are themselves relative.
- But if absolutes do differ from relatives, then they are relative, because all things that differ must differ from something; and to "differ" from something is to be relative to something. (Empiricus:67)
Finally, we have reason to disbelieve that we know anything by looking at problems in understanding the objects themselves. Things, when taken individually, may appear to be very different than when they are in mass quantities: for instance, the shavings of a goat's horn are white when taken alone, yet the horn intact is black.
Ancient Eastern Skepticism
Buddhism
Buddhist skepticism differs substantially from western philosophical skepticism in several ways: The world of sensory appearances as in Hinduism is often called "maya" and is considered an illusion, which is different from doubting that it exists or can represent something beyond itself. There are also levels of understanding such that what is real or true on one level may be unreal or false on what is thought to be a higher level, while among the Hellenists logic was rarely compromised or rejected as fully, even by Pyrrho or Zeno the Cynic, though on a behavioral or ethical level for Hindus and Buddhists there is a kind of logic about collecting karma and its relation to how or where we will be re-born on the famous Wheel of Karma. A major difference is that suffering is ultimately illusion in much Indian Buddhism while it is real and hard to eliminate in most Hindu understanding.
- Buddha is said to have touched the earth at the time of his enlightenment so that it could witness his enlightenment. In this way, Buddhism does not claim that knowledge is unattainable.
- Buddhism places less emphasis on truth and knowledge than western philosophical skepticism. Instead, it emphasizes the goal of Bodhi, which, although often translated as enlightenment, does not imply truth or knowledge.
- At least in its manifestation of Nagarjuna's texts that form the core of Madhyamaka, the anti-essentialist aspect of Buddhism makes it an anti-philosophy. From that stance, truth exists solely within the contexts that assert them.
Jain Philosophy of Anekantavada and Syadavada
Anekāntavāda also known as the principle of relative pluralism, is one of the basic principles of Jainism. According to this, the truth or the reality is perceived differently from different points of view, and that no single point of view is the complete truth.[2] [3] Jain doctrine states that, an object has infinite modes of existence and qualities and, as such, they cannot be completely perceived in all its aspects and manifestations, due to inherent limitations of the humans. Anekāntavāda is literally the doctrine of non-onesidedness or manifoldness; it is often translated as "non-absolutism". Syādvāda is the theory of conditioned predication which provides an expression to anekānta by recommending that epithet “Syād” be attached to every expression. [4] Syādvāda is not only an extension of Anekānta ontology, but a separate system of logic capable of standing on its own force. As reality is complex, no single proposition can express the nature of reality fully. Thus the term “syāt” should be prefixed before each proposition giving it a conditional point of view and thus removing any dogmatism in the statement. .[5] The seven propositions also known as saptabhangi are[6]:
- Syād-asti – “in some ways it is”,
- syād-nāsti - “in some ways it is not”,
- syād-asti-nāsti - “in some ways it is and it is not”,
- syād-asti-avaktavyaḥ - “in some ways it is and it is indescribable”,
- syād-nāsti-avaktavyaḥ - “in some ways it is not and it is indescribable”,
- syād-asti-nāsti-avaktavyaḥ - “in some ways it is, it is not and it is indescribable”,
- syād-avaktavyaḥ- “in some ways it is indescribable”
Each of these seven propositions examines the complex and multifaceted reality from a relative point of view of time, space, substance and mode. To ignore the complexity of the objects is to commit the fallacy of dogmatism.
China
In China, Wang Chong introduced a form of naturalism based on a rational critique of the superstition that was overtaking Confucianism and Daoism in the first century CE. His neo-Daoist philosophy was based on a secular, rational practice not unlike the scientific method.
Schools of philosophical skepticism
Philosophical skepticism begins with the claim that the skeptic currently does not have knowledge. Some adherents maintain that knowledge is, in theory, possible. It could be argued that Socrates held that view. He appears to have thought that if people continue to ask questions they might eventually come to have knowledge; but that they did not have it yet. Some skeptics have gone further and claimed that true knowledge is impossible, for example the Academic school in Ancient Greece well after the time of Carneades. A third skeptical approach would be neither to accept nor reject the possibility of knowledge.
Skepticism can be either about everything or about particular areas. A 'global' skeptic argues that he does not absolutely know anything to be either true or false. Academic global skepticism has great difficulty in supporting this claim while maintaining philosophical rigor, since it seems to require that nothing can be known — except for the knowledge that nothing can be known, though in its probabilistic form it can use and support the notion of weight of evidence. Thus, some probibilists avoid extreme skepticism by maintaining that they merely are 'reasonably certain' (or largely believe') some things are real or true. As for using probabilistic arguments to defend skepticism, in a sense this enlarges or increases scepticism, while the defence of empiricism by Empiricus weakens skepticism and strengthens dogmatism by alleging that sensory appearances are beyond doubt. Much later, Kant would re-define "dogmatism" to make indirect realism about the external world seem objectionable. While many Hellenists, outside of Empiricus, would maintain that everyone who is not sceptical about everything is a dogmatist, this position would seem too extreme for most later philosophers.
Nevertheless, A Pyrrhonian global skeptic labors under no such modern constraint, since he only alleged that he, personally, did not know anything and made no statement about the possibility of knowledge. Nor did Arcesilaus feel bound, since he merely corrected Plato's "I only know that I know nothing" by adding "I don't even know that", thus more fully rejecting dogmatism.
Local skeptics deny that people do or can have knowledge of a particular area. They may be skeptical about the possibility of one form of knowledge without doubting other forms. Different kinds of local skepticism may emerge, depending on the area. A person may doubt the truth value of different types of journalism, for example, depending on the types of media they trust.
In Islamic philosophy, skepticism was established by Al-Ghazali (1058-1111), known in the West as "Algazel", as part of the orthodox Ash'ari school of Islamic theology. It has been argued that René Descartes' ideas from Discourse on the Method may have been influenced by the work of Al-Ghazali, whose method of skepticism shares many similarities with Descartes' method.[7]
Epistemology and skepticism
Skepticism, as an epistomological argument, poses the question of whether knowledge, in the first place, is possible. Skeptics argue that the belief in something does not necessarily justify an assertion of knowledge of it. In this, skeptics oppose dogmatic foundationalism, such as Spinoza maintained which states that there have to be some basic positions that are self-justified or beyond justification, without reference to others. The skeptical response to this can take several approaches. First, claiming that "basic positions" must exist amounts to the logical fallacy of argument from ignorance combined with the slippery slope [citation needed].
Among other arguments, skeptics used Agrippa's Trilemma, named after Agrippa the Sceptic, to claim no certain belief could be achieved. Foundationalists have used the same trilemma as a justification for demanding the validity of basic beliefs.
This skeptical approach is rarely taken to its pyrrhonean extreme by most practitioners. Several modifications have arisen over the years, including the following[1]:
Fictionalism would not claim to have knowledge but will adhere to conclusions on some criterion such as utility, aesthetics, or other personal criteria without claiming that any conclusion is actually "true".
Philosophical fideism (as opposed to religious Fideism) would assert the truth of some proposition, but does so without asserting certainty.
Some forms of pragmatism would accept utility as a provisional guide to truth but not necessarily a universal decision-maker.
Motivations for external world skepticism
![]() | This article possibly contains original research. (October 2008) |
David Hume offers one argument as to why anyone would want to question the reliability of perception. Hume argued that people can only know about the external world through perceptions of it, and the accuracy of these perceptions cannot be proven. [citation needed]
In addition to Hume's argument for external world skepticism, there is another more famous argument. This is Descartes' famous dreaming doubt: Descartes was writing one evening in his room, and he thought to himself (paraphrasing very loosely): What if I am asleep in bed right now, and only dreaming that I am awake, and writing? Isn't that at least possible? Then he said, well surely, I can tell when I am awake and when I am asleep. I can tell the difference between wakefulness and a dream. All sorts of strange things happen in dreams; I pass unaccountably from scene to scene when I'm dreaming; I don't have any long memory of what happened in a day, when I'm dreaming; and so forth. Then Descartes said: Haven't I had those very thoughts in some of my dreams? Sometimes, when I was dreaming, I was convinced that I was awake! I even tried to test that I was awake, when I was dreaming, and the tests convinced me that I was awake! But I was wrong; I was dreaming. Isn't it quite possible that the same thing is happening to me right now? Isn't it possible that I am dreaming that I can test whether I'm awake or asleep -- and of course, in my dream, I pass the test? So it seems really vivid to me right now that I'm awake -- but in fact, I'm asleep?
Well, Descartes said to himself, I guess there aren't any definite signs, or tests, that I could use to tell whether I'm asleep or dreaming. I could, after all, be dreaming those very tests. I have experience of doing that, thinking that I passed the test for being awake, when really I was only dreaming. So there isn't any way to tell that I am awake now. I cannot possibly prove that I am awake. So, Descartes said to himself, I don't really know that I am awake now and writing in the evening. For all I really know, I could be asleep.
Now we can go on and examine this argument in more detail. For one thing, why does Descartes think that he doesn't know he's awake and writing? Well, he might be asleep. But what difference does that make? The difference that it makes is that his faculty of sense-perception would not be reliable if he were asleep. In other words, if he were asleep, it would seem to him that he is seeing, feeling, and hearing various things; but he wouldn't really be. In that case, of course, his faculty of perception wouldn't be reliable. But Descartes appears to go further than that: he appears to be saying that since he might be dreaming, since he can't rule out the hypothesis that he is dreaming right now, that also means that his faculty of perception is not reliable.
To many people, Descartes' position may seem absurd. Most people simply feel that of course they can tell that they're not dreaming. Here, though, Descartes could reply that maybe you can, but maybe you're just dreaming that you can tell the difference. If you say you can tell the difference between being awake and being asleep, then you are assuming that you're awake, in which case you're begging the question against the skeptic.
Another common sense sort of response to Descartes' argument is that one can tell that one's sense-perception is reliable, and here's how: When one sees something, like that cow chewing on daisies, one can go over to the cow, touch it, hear it, lean on it, and so forth. That confirms that one really is seeing the cow. In the same way, when one hears something, like a marching band outside, one can step outside, and look at the marching band, talk to the members of the band, and so forth. That confirms that one heard the band outside. Throughout a person's life they've had so many experiences like this that they are practically certain that, in the more obvious cases anyway, their faculty of perception works -- it's generally reliable.
Descartes' skeptic will reply to this in much the same way as the previous objection: You might just be dreaming that you are touching, hearing, and leaning on the cow. That marching band might just be part of a dream. For that matter you might only be dreaming that your faculty of perception has been generally reliable. If you argue you're not dreaming as your faculty of perception is reliable, then you are once again begging the question. First, you must establish that you're not dreaming, and that's impossible. Thus, you can't know that your faculty of perception is reliable.
Additionally, a sharper skeptic might make another remark about seeing the cow and hearing the marching band. Because, after all, weren't you using sense-perception in order to try to argue that your faculty of perception is generally reliable? Think about that: in order to show that your sense of sight works, you use your sense of sight and other senses; in order to show that your sense of hearing works, you use your sense of hearing and other senses. And it's not like you can avoid that. It would be really bizarre (though some philosophers have actually tried it)[citation needed] to try to argue that your senses are reliable, without making use of your senses. But if you make use of your senses, you are begging the question again. You have to assume, or presuppose, that your senses are generally shipshape before you start using them to prove anything, including whether your senses are generally shipshape.
How can you prove that perception is reliable without using your senses? That seems impossible. But how can you use senses without assuming that perception is reliable? If you do that then you're arguing in a circle, you're begging the question. So what's the upshot? That you can't prove that perception is reliable. If you try, you beg the question, and question-begging is a logical fallacy.
Notice that this is actually a third skeptical argument, distinct from Hume's and Descartes', although it is related to both. Hume said you can't prove that your sense-data represent the external world; Descartes said that you can't even prove that you're not dreaming; and this third argument says that you can't prove that perception is reliable without assuming that your senses are reliable and thereby begging the question at issue.
Objections
Absolute certainty
First of all, in all three arguments -- Hume's, Descartes', and the circular[ity] argument -- the claim is made that we can't prove something or other. We can't prove that sense-data represent an external reality. We can't prove that we're not dreaming. We can't prove that perception, or memory, is reliable. But now ask yourself: just because you can't prove something, does that mean that you don't know it? Or that you aren't justified in believing it? Take Descartes' dreaming doubt as an example. Suppose you're convinced that you can't prove that you're not dreaming, not without begging the question. And you're even willing to admit that possibility that you are dreaming right now. However, a non-skepticist might reply, who cares? So what if I can't prove, to Descartes' skeptic, that I'm not dreaming? Who cares if there is a possibility that I'm dreaming right now? Does that really matter to my knowledge-claims?
Descartes himself thought it definitely did matter. Descartes wanted absolutely certain knowledge -- knowledge beyond any doubt. And so he thought that if you can raise the smallest doubt about something, then you don't really know it. For example, the dreaming doubt raises the possibility that you are not actually reading this article right now; you might be dreaming; and so Descartes would say (at that point -- later he thought he refuted this skepticism) that you don't know you're reading this right now.
So this forces us to ask ourselves: Do we have to have absolute certainty, lacking any doubt whatsoever, in order to have knowledge? That would be the absolutely strongest grade of justification possible. And then we would be saying that knowledge is not just sufficiently justified true belief, but certainly true belief.
Many philosophers don't think that such a strong degree of justification is necessary for knowledge. After all, they claim, we can know what the weather is going to be like, just by reading the morning forecast. Sometimes we're wrong; but if we're right then we have knowledge. So they are not particularly worried if they can't prove that they're not dreaming. They think it's extremely unlikely that they're dreaming, and they think they're perfectly well justified in thinking they're awake. And they don't have to know with absolute certainty that they're awake, of course, to be well-justified in believing they're awake. Note too that Descartes himself rejected his skeptical doubts in the end.
Here's a second thing you might observe about skepticism: if the skeptic makes absolute certainty a requirement for knowledge, then you could reply that this observation should be applied to skepticism itself. Is skepticism itself entirely beyond doubt? Isn't it possible to raise various kinds of objection to skepticism? So it would appear; but then no one can know that skepticism is true. So then the skeptic can't know that skepticism is true. But this is actually a bit of a weak reply, because it doesn't really refute skepticism. The skeptic, after all, may be perfectly happy to admit that no one knows that skepticism is true. The skeptic might rest content saying that skepticism is very probably true.
Process reliabilism
A third objection, which especially applies to the circularity argument, comes from the common-sense Scotsman, Thomas Reid. Reid argued as follows: Suppose the skeptic is right, and perception is not reliable. But perception is just another one of my cognitive processes; and if it is not reliable then my others are also bound not to be reliable. All of my faculties came out of the same shop, he said; so if one is faulty the others are bound to be as well. But that means that the faculty of reasoning, which the skeptic uses, is also bound to be unreliable too. In other words, when we reason, we are bound to make errors, and so we can never trust the arguments we give for any claim, a condition that can be extended to be applied to the skeptic's argument for skepticism. So it follows that if the skeptic is right, we should not pay attention to skepticism, since the skeptic arrives at the skeptical conclusion by reasoning. And if the skeptic is wrong, then of course we need not pay attention to skepticism. In either case, we need not take skepticism about the reliability of our faculties seriously.
References
- ^ On the ten modes, see Sextus Empiricus. Outlines of Skepticism I.35-164.
- ^ Dundas, Paul (2002). The Jains. London: Routledge. ISBN 0-415-26606-8.
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suggested) (help) - ^ Koller, John M. (2000). "Syadvada as the Epistemological Key to the Jaina Middle Way Metaphysics of Anekantavada". Philosophy East and West. Vol. 50 (Iss. 3). Honululu: 400–7. doi:10.1353/pew.2000.0009. ISSN 0031-8221. Retrieved 2007-10-01.
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ignored (help) - ^ Chatterjea, Tara (2001). Knowledge and Freedom in Indian Philosophy. Lanham, MD: Lexington Books. ISBN 739106929.
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value: length (help) p. 77-87 - ^ Koller, John M. (2000). "Syādvāda as the [[epistemological]] key to the Jaina middle way metaphysics of Anekāntavāda". Philosophy East and West. vol. 50 (3). Honululu: 400–8. ISSN 0031-8221. Retrieved 2007-10-01.
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ignored (help) - ^ Grimes, John (1996). A Concise Dictionary of Indian Philosophy: Sanskrit Terms Defined in English. New York: SUNY Press. ISBN 0791430677. p. 312
- ^ Najm, Sami M. (July–October 1966), "The Place and Function of Doubt in the Philosophies of Descartes and Al-Ghazali", Philosophy East and West, 16 (3–4): 133–41
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Further reading
- Zeller, Eduard; Reichel, Oswald J., The Stoics, Epicureans and Sceptics, Longmans, Green, and Co., 1892
See also
- Abuses of skepticism
- Anti-realism
- Benson Mates
- Brain in a vat
- David Hume
- Dream argument
- Five minute hypothesis
- Here is one hand - a response to skepticism
- Münchhausen Trilemma
- Nihilism
- Problem of the criterion
- Problem of induction
- Pyrrho
- Pyrrhonism
- Sextus Empiricus
- Simulated reality
- Skeptical hypothesis
- Solipsism
External links
- Responses to skepticism
- Excerpts from the "Outlines of Pyrrhonism" by Sextus Empiricus
- Zalta, Edward N. (ed.). "Skepticism". Stanford Encyclopedia of Philosophy.
- Attempted refutation of external-world scepticism. On-line version of two recently published books by philosopher Olaf M. Müller (in German)
- Article: Skepticism and Denial by Stephen Novella MD, The New England Journal of Skepticism
- Classical Skepticism by Peter Suber.
- On the Impossibility of Real A Priori Knowledge