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- For the prioritization of resources, see economic materialism. For the Marxist analysis, see dialectical materialism.
In philosophy, materialism is that form of physicalism which holds that the only thing that can truly be said to exist is matter; that fundamentally, all things are composed of material and all phenomena are the result of material interactions; that matter is the only substance. As a theory, materialism belongs to the class of monist ontology. As such, it is different from ontological theories based on dualism or pluralism. In terms of singular explanations of the phenomenal reality, materialism stands in sharp contrast to idealism.
The view is perhaps best understood in its opposition to the doctrines of immaterial substance applied to the mind historically, famously by René Descartes. However, by itself materialism says nothing about how material substance should be characterized. In practice it is frequently assimilated to one variety of physicalism or another.
Materialism is often associated with the methodological principle of reductionism, according to which the objects or phenomena individuated at one level of description, if they are genuine, must be explicable in terms of the objects or phenomena at some other level of description -- typically, a more general level than the reduced one. Non-reductive materialism explicitly rejects this notion, however, taking the material constitution of all particulars to be consistent with the existence of real objects, properties, or phenomena not explicable in the terms canonically used for the basic material constituents. Jerry Fodor influentially argues this view, according to which empirical laws and explanations in "special sciences" like psychology or geology are invisible from the perspective of, say, basic physics. A vigorous literature has grown up around the relation between these views.
Materialism typically contrasts with dualism, phenomenalism, idealism, vitalism and dual-aspect monism. Because it is now a scientifically established fact that less than 4% of the universe is composed of matter as commonly understood modern philosophical materialists attempt to extend the definition of matter to include other scientifically observable entities such as energy, forces, and the curvature of space. However this opens them to further criticism from philosophers such as Mary Midgley who suggest that the concept of "matter" is elusive and poorly defined
Materialism has been criticised by religious thinkers opposed to it, who regard it as a spiritually empty philosophy. Marxism also uses materialism to refer to a "materialist conception of history", which is not concerned with metaphysics but centers on the empirical world of actual human activity (practice, including labor) and the institutions created, reproduced, or destroyed by that activity (see materialist conception of history).
 History of materialism
In Ancient Indian philosophy, materialism developed around 600 BCE with the works of Ajita Kesakambali, Payasi, Kanada, and the proponents of the Carvaka school of philosophy. Kanada was one of the early proponents of atomism. The Nyaya-Vaisesika school (600 BCE - 100 BCE) developed one of the earliest forms of atomism. The tradition was carried forward by Buddhist atomism and the Jaina school.
Ancient Greek philosophers like Thales, Parmenides, Anaxagoras, Democritus, Epicurus, and even Aristotle prefigure later materialists. The poem De Rerum Natura by Lucretius recounts the mechanistic philosophy of Democritus and Epicurus. According to this view, all that exists is matter and void, and all phenomena are the result of different motions and conglomerations of base material particles called "atoms." De Rerum Natura provides mechanistic explanations for phenomena, like erosion, evaporation, wind, and sound, that would not become accepted for more than 1500 years. Famous principles like "nothing can come from nothing" and "nothing can touch body but body" first appeared in the works of Lucretius.
Later Indian materialist Jayaraashi Bhatta (6th century CE) in his work Tattvopaplavasimha ("the Upsetting of all principles") refuted the Nyaya Sutra epistemology. The materialistic Carvaka philosophy appears to have died out some time after 1400 CE. Later on, Thomas Hobbes and Pierre Gassendi represent the materialist tradition, in opposition to René Descartes' attempts to provide the natural sciences with dualist foundations. Later materialists included Denis Diderot and other French enlightenment thinkers, as well as Ludwig Feuerbach.
Schopenhauer wrote that "...materialism is the philosophy of the subject who forgets to take account of himself." (The World as Will and Representation, II, Ch. 1). He claimed that an observing subject can only know material objects through the mediation of the brain and its particular organization. The way that the brain knows determines the way that material objects are experienced. "Everything objective, extended, active, and hence everything material, is regarded by materialism as so solid a basis for its explanations that a reduction to this (especially if it should ultimately result in thrust and counter-thrust) can leave nothing to be desired. But all this is something that is given only very indirectly and conditionally, and is therefore only relatively present, for it has passed through the machinery and fabrication of the brain, and hence has entered the forms of time, space, and causality, by virtue of which it is first of all presented as extended in space and operating in time." (ibid., I, §7)
Karl Marx and Friedrich Engels, turning the idealist dialectics of Georg Hegel upside down, provided materialism with a view on processes of quantitative and qualitative change called dialectical materialism, and with a materialist account of the course of history, known as historical materialism.
Many current and recent philosophers — e.g Dennett, Quine, Davidson, Searle, Chalmers, Fodor and Kim — operate within a broadly physicalist or materialist framework, producing rival accounts of how best to accommodate mind — functionalism, anomolous monism, identity theory and so on.
In recent years, Paul and Patricia Churchland have advocated a more extreme position, eliminativist materialism, which holds that mental phenomena simply do not exist at all -- that talk of the mental reflects a totally spurious "folk psychology" that simply has no basis in fact, something like the way that folk science speaks of demon-caused illness.
 Defining matter
The nature and definition of matter have been subject to much debate, as have other key concepts in science and philosophy. Is there a single kind of matter which everything is made of (hyle), or multiple kinds? Is matter a continuous substance capable of expressing multiple forms (hylomorphism), or a number of discrete, unchanging constituents (atomism)?       Does it have intrinsic properties (substance theory), or is it lacking them (prima materia)?
Without question science has made unexpected discoveries about matter. Some paraphrase departures from traditional or common-sense concepts of matter as "disproving the existence of matter". However, most physical scientists take the view that the concept of matter has merely changed, rather than being eliminated.
One challenge to the traditional concept of matter as tangible "stuff" is the rise of field physics in the 19th century. However the conclusion that materialism is false may be premature. Relativity shows that matter and energy (including the spatially distributed energy of fields) are interchangeable. This enables the ontological view that energy is prima materia and matter is one of its forms. On the other hand, quantum field theory models fields as exchanges of particles — photons for electromagnetic fields and so on. On this view it could be said that fields are "really matter".
All known solid, liquid, and gaseous substances are composed of protons, neutrons and electrons. All three are fermions or spin-half particles, whereas the particles that mediate fields in quantum field theory are bosons. Thus matter can be said to divide into a more tangible fermionic kind and a less tangible bosonic kind. However it is now known that less than 5% of the physical composition of the universe is made up of such "matter", and the majority of the universe is composed of Dark Matter and Dark Energy - with no agreement amongst scientists about what these are made of. This obviously refutes the traditional materialism that held that the only things that exist are things composed of the kind of matter with which we are broadly familiar ("traditional matter") - which was anyway under great strain as noted above from Relativity and quantum field theory. But if the definition of "matter" is extended to "anything whose existence can be inferred from the observed behaviour of traditional matter" then there is no reason in principle why entities whose existence materialists normally deny should not be considered as "matter"
Some philosophers feel that these dichotomies necessitate a switch from materialism to physicalism. Others use materialism and physicalism interchangeably.
 Criticism and Alternatives
A number of philosophers and scientists are highly critical of materialism.
 Religious and spiritual objections
It is incompatible with Islam, Hinduism, some schools of Buddhism and almost all forms of Christianity (including Thomism). Theologican-philosopher Alvin Plantinga criticises it, and Theologian-philosopher Keith Ward suggests that materialism is rare amongst contemporary UK philosophers: "Looking around my philosopher colleagues in Britain, virtually all of whom I know at least from their published work, I would say that very few of them are materialists.".
 Coherence as an idea
 Other ontologies
Bundle Theory. It can be argued that it is the properties of material bodies, such as size and shape, which are perceived, and not the material substrate itself. Locke said we "know not what" the basic substance is.As Berkeley wrote "I acknowledge it is possible we might perceive all things just as we do now, though there was no Matter in the world; neither can I conceive, if there be Matter, how it should produce any idea in our minds". If mind-independent properties (properly speaking property-instances or tropes) are held to exist in association with each other but without a material substrate, bundle theory results. If bundle theory is shown to be illogical or inconceivable, the existence of a substrate is thereby demonstrated conceptually, despite the unpercievability of matter per se.
Idealism. An argument for idealism, such as those of Hegel and Berkeley is ipso facto an argument against materialism. Matter can be argued to be redundant, as in bundle theory, and mind-independent properties can in turn be reduced to subjective percepts.
Dualism. If matter is seen an necessary to explain the physical world, but incapable of explaining mind, dualism results.
Emergence, Holism and Process philosophy are some of the approaches that seek to ameliorate the perceived shortcomings of traditional (especially mechanistic) materialism without abandoning materialism entirely.
 Skepticism about metaphysics in general
Kant argued against all three of materialism, normal idealism (which he contrasts with his "transcendental idealism") and dualism. However, Kant also argues that change and time require an enduring substrate., and does so in connection with his Refutation of Idealism
 Materialism as methodology
Some critics object to materialism as part of an overly skeptical, narrow or reductive approach to theorising, rather than to the ontological claim that matter is the only substance. Particle physicist and theologian John Polkinghorne objects to what he calls promissory materialism — claims that materialistic science will eventually be able to explain phenomena it has not so far been able to explain. He prefers dual-aspect monism to materialism .
The psychologist Imants Barušs suggests that "materialists tend to indiscriminately apply a 'pebbles in a box' schema to explanations of reality even though such a schema is known to be incorrect in general for physical phenomena. Thus, materialism cannot explain matter, let alone anomalous phenomena or subjective experience , but remains entrenched in academia apparently for largely political reasons" (Compare with Charles Fort).
The scientist and philosopher Axel Randrup suggests that "The scientific study of cognition in the context of biological evolution (Cognition and Evolution, CE) has led to the result, that all our thoughts and cognitions, including science and philosophy, are dependent on our cognitive apparatus in its present stage of evolution. I find, that this result is in contradiction with ... the philosophy of materialist realism.
 See also
- Christian materialism
- Cultural materialism
- Dialectical materialism (See also Marxist philosophy of nature.)
- Eliminative materialism
- Historical materialism (Marxist application of materialism to historism)
- Substance theory
- Self refuting ideas
- Grotesque body
- ^ Michael S. Turner Quarks and the CosmosScience Vol. 315. no. 5808, pp. 59 - 61
- ^ Mary Midgley The Myths we live by
- ^ Catholic Encyclopedia
- ^ Concise Britannica on hylomorphism
- ^ Dictionary of the History of Ideas: Atomism: Antiquity to the Seventeenth Century
- ^ Dictionary of the History of Ideas:Atomism in the Seventeenth Century
- ^ Article by a philosopher who opposes atomism
- ^ Information on Buddhist atomism
- ^ Article on traditional Greek atomism
- ^ Atomism from the 17th to the 20th Century at Stanford Encyclopedia of Philosophy
- ^ Stanford Encyclopedia of Philosophy on substance theory
- ^ The Friesian School on Substance and Essence
- ^ Bernard Sadoulet Particle Dark Matter in the Universe: At the Brink of Discovery? Science 5 January 2007: Vol. 315. no. 5808, pp. 61 - 63
- ^ eg C S Lewis in The Great Divorce suggested that Heaven was composed of super-massive matter that was more substantial than normal matter
- ^ Dictionary of the Philosophy of mind -- "Many philosophers and scientists now use the terms `material' and `physical' interchangeably"
- ^ Is Religion Dangerous? p 91
- ^ see Mary Midgley The Myths we Live by
- ^ Baker, L. (1987). Saving Belief Princeton, Princeton University Press
- ^ Reppert, V. (1992). Eliminative Materialism, Cognitive Suicide, and Begging the Question. Metaphilosophy 23: 378-92.
- ^ Boghossian, P. (1990). The Status of Content Philosophical Review 99: 157-84. and (1991)The Status of Content Revisited. Pacific Philosophical Quarterly 71: 264-78.
- ^ Locke, J. Essay Concerning Human Understanding/
- ^ see Critique of Pure Reason where he gives a "refutation of idealism" in pp345-52 (1st Ed) and pp 244-7 (2nd Ed) in the Norman Kemp Smith edition
- ^ Critique of Pure Reason (A379, p352 NKS translation). "If, however, as commonly happens, we seek to extend the concept of dualism, and take it in the transcendental sense,neither it nor the two counter-alternatives — pneumatism [idealism] on the one hand, materialism on the other — would have any sort of basis [...] Neither the transcendental object which underlies outer appearances nor that which underlies inner intuition, is in itself either matter or a thinking being, but a ground (to us unknown)..."
- ^ "Kant argues that we can determine that there has been a change in the objects of our perception, not merely a change in our perceptions themselves, only by conceiving of what we perceive as successive states of enduring substances (see Substance)".Routledge Encyclopedia of philosophy
- ^ "All determination of time presupposes something permanent in perception.This permanent cannot, however,be something in me [...]" Critique of Pure Reason,B274, P245 (NKS translation)
- ^ However, critics of materialism are equally guilty of prognosticating that it will never be able to explain certain phenomena " Over a hundred years ago William James saw clearly that science would never resolve the mind–body problem". Dembski, W. Are We Spiritual Machines
- ^ Interview with John Polkinghorne
- ^ Baruss, I. (1993). Can we consider matter as ultimate reality? Some fundamental problems with a materialist interpretation of reality. Ultimate Reality and Meaning: Interdisciplinary Studies in the Philosophy of Understanding, 16(3-4), 245-254
- ^ Baruss, I. (2001). The art of science: Science of the future in light of alterations of consciousness. Journal of Scientific Exploration, 15(1), 57-68
- ^ Axel Randrup Cognition and Biological Evolution
- Churchland, Paul (1981). Eliminative Materialism and the Propositional Attitudes. The Philosophy of Science. Boyd, Richard; P. Gasper; J. D. Trout. Cambridge, Massachusetts, MIT Press.
- Flanagan, Owen (1991). The Science of the Mind. 2nd edition Cambridge Massachusetts, MIT Press.
- Fodor, J.A. (1974) Special Sciences, Synthese, Vol.28.
- Kim, J. (1994) Multiple Realization and the Metaphysics of Reduction, Philosophy and Phenomenological Research, Vol. 52.
- Lange, Friedrich A.,(1925) The History of Materialism. New York, Harcourt, Brace, & Co.
- Moser, P. K.; J. D. Trout, Ed. (1995) Contemporary Materialism: A Reader. New York, Routledge.
- Schopenhauer, Arthur, (1969) The World as Will and Representation. New York, Dover Publications, Inc.
- Vitzthum, Richard C. (1995) Materialism: An Affirmative History and Definition. Amhert, New York, Prometheus Books.
- Buchner, L. (1920). Force and Matter. New York, Peter Eckler Publishing CO.
- La Mettrie, Man The machine.
 External links
- Stanford Encyclopedia article on Eliminative Materialism
- Dictionary of the Philosophy of Mind on Materialism
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