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A Healthy Skepticism - Dr Brett Hill - Eat, Think, Move, Chiropractic drbretthill.com | Provide Benefits, But Still Face... aamc.org | Skepticism Gives Way to Remarkable Results for Surgical Procedure -... medicineatmichigan.org | Absence of data on clinic's therapies provokes skepticism stemcelltherapies.org |
This article is about the philosophical term. For the metal band, see Skepticism (band). For the magazines, see Skeptic (magazine).
Contemporary skepticism (or scepticism) is loosely used to denote any questioning attitude,[1] or some degree of doubt regarding claims that are elsewhere taken for granted.[2] The word skepticism can characterize a position on a single claim, but in scholastic circles more frequently describes a lasting mind-set. Skepticism is an approach to accepting, rejecting, or suspending judgment on new information that requires the new information to be well supported by argument or evidence.[3] Individuals who proclaim to have a skeptical outlook are frequently called skeptics, often without regard to whether it is philosophical skepticism or empirical skepticism that they profess.[4] In religion, skepticism refers to 'doubt concerning basic religious principles (such as immortality, providence, and revelation).' (Merriam–Webster) In classical philosophy, skepticism (or scepticism) is the teachings and the traits of the 'Skeptikoi', a school of philosophers of whom it was said that they 'asserted nothing but only opined.' (Liddell and Scott) In this sense, philosophical skepticism, or Pyrrhonism, is the philosophical position that one should suspend judgment in investigations.[5]
[edit] DefinitionIn ordinary usage, skepticism or scepticism (Greek: 'σκέπτομαι' skeptomai, to look about, to consider; see also spelling differences) refers to:
In philosophy, skepticism refers more specifically to any one of several propositions. These include propositions about:
[edit] Scientific skepticismMain article: Scientific skepticism
A scientific (or empirical) skeptic is one who questions the reliability of certain kinds of claims by subjecting them to a systematic investigation.[6] The scientific method details the specific process by which this investigation of reality is conducted. Considering the rigor of the scientific method, science itself may simply be thought of as an organized form of skepticism. This does not mean that the scientific skeptic is necessarily a scientist who conducts live experiments (though this may be the case), but that the skeptic generally accepts claims that are in his/her view likely to be true based on testable hypotheses and critical thinking. Common topics that scientifically-skeptical literature questions include health claims surrounding certain foods, procedures, and medicines, such as homeopathy, Reiki, Thought Field Therapy (TFT), vertebral subluxations; the plausibility and existence of supernatural entities (such as ghosts, poltergeists, angels, and gods as well as the existence of ESP/telekinesis, psychic powers, and telepathy, and thus the credibility of parapsychology); topics in cryptozoology, Bigfoot, the Loch Ness monster, alien visitations, UFOs, crop circles, astrology, repressed memories, creationism/intelligent design, dowsing, conspiracy theories, and other claims the skeptic sees as unlikely to be true on scientific grounds.[7] Empirical or scientific skeptics do not profess philosophical skepticism. Whereas a philosophical skeptic may deny the very existence of knowledge, an empirical skeptic merely seeks likely proof before accepting that knowledge. Scientific skepticism is itself sometimes criticized on this ground. The term pseudoskepticism has found occasional use in controversial fields where opposition from scientific skeptics is strong. For example, in 1994, Susan Blackmore, a parapsychologist who became more skeptical and eventually became a csicop fellow in 1991, described what she termed the "worst kind of pseudoskepticism":
[edit] Religious skepticismMain article: Religious skepticism Religious skepticism is skepticism regarding faith-based claims. Religious skeptics may focus on the core tenets of religions, such as the existence of divine beings or reports of earthly miracles. A religious skeptic is not necessarily an atheist or agnostic. [edit] Philosophical skepticismMain article: Philosophical skepticism In philosophical skepticism, pyrrhonism is a position that refrains from making truth claims. A philosophical skeptic does not claim that truth is impossible (which would be a truth claim). The label is commonly used to describe other philosophies which appear similar to philosophical skepticism, such as academic skepticism, an ancient variant of Platonism that claimed knowledge of truth was impossible. Empiricism is a closely related, but not identical, position to philosophical skepticism. Empiricists see empiricism as a pragmatic compromise between philosophical skepticism and nomothetic science; philosophical skepticism is in turn sometimes referred to as "radical empiricism." Philosophical skepticism originated in ancient Greek philosophy.[9] The Greek Sophists of the 5th century BC were for the most part skeptics. Pyrrhonism was a school of skepticism founded by Aenesidemus in the first century BC and recorded by Sextus Empiricus in the late 2nd century or early 3rd century AD. One of its first proponents was Pyrrho of Elis (c. 360-275 B.C.), who traveled and studied as far as India and propounded the adoption of "practical" skepticism. Subsequently, in the "New Academy" Arcesilaus (c. 315-241 B.C.) and Carneades (c. 213-129 B.C.) developed more theoretical perspectives, by which conceptions of absolute truth and falsity were refuted as uncertain. Carneades criticized the views of the Dogmatists, especially supporters of Stoicism, asserting that absolute certainty of knowledge is impossible. Sextus Empiricus (c. A.D. 200), the main authority for Greek skepticism, developed the position further, incorporating aspects of empiricism into the basis for asserting knowledge. Greek skeptics criticized the Stoics, accusing them of dogmatism. For the skeptics, the logical mode of argument was untenable, as it relied on propositions which could not be said to be either true or false without relying on further propositions. This was the regress argument, whereby every proposition must rely on other propositions in order to maintain its validity (see the five tropes of Agrippa the Sceptic). In addition, the skeptics argued that two propositions could not rely on each other, as this would create a circular argument (as p implies q and q implies p). For the skeptics, such logic was thus an inadequate measure of truth and could create as many problems as it claimed to have solved. Truth was not, however, necessarily unobtainable, but rather an idea which did not yet exist in a pure form. Although skepticism was accused of denying the possibility of truth, in fact it appears to have mainly been a critical school which merely claimed that logicians had not discovered truth. 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.[10] René Descartes is credited for developing a global skepticism as a thought experiment in his attempt to find absolute certainty on which to base the foundation of his philosophy. David Hume has also been described as a global skeptic. However, Descartes was not ostensively a skeptic and developed his theory of an absolute certainty to disprove other skeptics who argued that there is no certainty. [edit] False claims of skepticismSome advocates of discredited intellectual positions such as AIDS denial and Holocaust denial engage in pseudoskeptical behavior when they characterize themselves as "skeptics" despite cherry picking evidence that conforms to a pre-existing belief.[11] According to Richard Wilson, who highlights the phenomenon in his book Don't Get Fooled Again (2008), the characteristic feature of false skepticism is that it "centres not on an impartial search for the truth, but on the defence of a preconceived ideological position". Skepticism Criticism: Most philosophies have weaknesses and can be criticized and this is a general principle of progression in philosophy [12]. The philosophy of skepticism asserts that no truth is knowable [13] or only probable [14]. It has similarities to empiricism. Some say the scientific method also asserts probable findings, because the number of cases tested is always limited and they constitute perceptual observations [15]. The basic premise “no truth is knowable” refutes itself; as how can this truth be known? [16]. Skepticism also goes against common sense idea that we can know something and the belief that some truths are necessary to carry out ordinary life [17]. Kreeft noted that we do err and we are fallible. Error does not prove skepticism; it refutes it, because we recognize error against a standard of truth [18]. [edit] See also[edit] Literary skeptics
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