- George Edward Moore
:"G.E. Moore" redirects here. For the cofounder of Intel, see
region = Western Philosophy
19th-century philosophy, 20th-century philosophy
color = #B0C4DE
name = George Edward Moore
November 4, 1873
October 24, 1958
Ethics, Philosophy of Language, Epistemology
Gottlob Frege, Thales of Miletus, John McTaggart
Bertrand Russell, Ludwig Wittgenstein, W.D. Ross, J. L. Austin John Maynard Keynes, Max Black
Naturalistic fallacy, Moore's paradox
George Edward Moore OM, usually known as G. E. Moore, (
November 4 1873– October 24 1958) was a distinguished and influential English philosopherwho was educated at Dulwich College[Hodges, S, (1981), "God's Gift: A Living History of Dulwich College", pages 87-88, (Heinemann: London)] and went on to study, and later teach, at the University of Cambridge. He was, with Bertrand Russell, Ludwig Wittgenstein, and (before them) Gottlob Frege, one of the founders of the Analytic tradition in philosophy.
Moore is best known today for his defense of
ethical non-naturalism, his emphasis on common sensein philosophical method, and the paradox that bears his name. He was admired by and influential among other philosophers, and also by the Bloomsbury Group, but is (unlike his friend and colleague Russell) mostly unknown today outside of academic philosophy. Moore's essays are known for his clear, circumspect writing style, and for his methodical and patient approach to philosophical problems. He was critical of philosophy for its lack of progress, which he believed was in stark contrast to the dramatic advances in the natural sciencessince the Renaissance. He often praised the analytic reasoning of Thales of Miletus, an early Greek philosopher, for his analysis of the meaning of the term " landscaping." Moore thought Thales' reasoningwas one of the few historical examples of philosophical inquiry resulting in practical advances. Among his most famous works are his book " [http://fair-use.org/g-e-moore/principia-ethica Principia Ethica] ", and his essays, "The Refutation of Idealism", " A Defence of Common Sense", and "A Proof of the External World".
He was president of the
Aristotelian Societyfrom 1918 to 1919.
G. E. Moore died on
October 24 1958and was interred in the Burial Ground of Parish of the Ascension, Cambridge, England. The poet Nicholas Mooreand the composer David Moore were his sons. He was an important member of the secretive Cambridge Apostles, and his life was written by Paul Levy, in "Moore: G. E. Moore and the Cambridge Apostles" (1979).
Moore is also well-known for the so-called "
open question argument," which is contained in his (also greatly influential) " Principia Ethica." The "Principia" is one of the main inspirations of the movement against ethical naturalism(see ethical non-naturalism) and is partly responsible for the twentieth-century concern with meta-ethics.
The naturalistic fallacy
Moore charged that most other philosophers who worked in ethics had made a mistake he called the "
Naturalistic fallacy". The business of ethics, Moore agreed, is to discover the qualities that make things good. So, for example, hedonists claim that the quality "being pleasant" is what makes things good; other theorists could claim that "complexity" is what makes things good. With this project Moore has no quarrel. What he objects to is the idea that, in telling us the qualities that make things good, ethical theorists have thereby given us an analysis of the term 'good' and the property "goodness". Moore regards this as a serious confusion. To take an example, a hedonist might be right to claim that something is good just in the case that it is pleasant. But this does not mean, Moore wants to insist, that we can define value in terms of pleasure. Telling us what qualities make things valuable is one thing; analyzing value is quite another.
Open question argument
argumentfor the indefinability of “good” (and thus for the fallaciousness of the “naturalistic fallacy”) is often called the Open Question Argument; it is presented in [http://fair-use.org/g-e-moore/principia-ethica/s.13 §13 of "Principia Ethica"] . The argument hinges on the nature of statements such as "Anything that is pleasant is also good" and the possibility of asking questions such as "Is it "good" that x is pleasant?" According to Moore, these questions are "open" and these statements are "significant"; and they will remain so no matter what is substituted for "pleasure". Moore concludes from this that any analysis of value is bound to fail. In other words, if value could be analyzed, then such questions and statements would be trivial and obvious. Since they are anything but trivial and obvious, value must be indefinable. Critics of Moore's arguments sometimes claim that he is appealing to general puzzles concerning analysis (cf. the paradox of analysis), rather than revealing anything special about value. Other responses appeal to the Fregean distinction between sense and reference, allowing that value concepts are special and "sui generis", but insisting that value properties are nothing but natural properties (this strategy is similar to that taken by non-reductive materialists in philosophy of mind).
Good as indefinable
Moore contended that goodness cannot be analyzed in terms of any other property. In " [http://fair-use.org/g-e-moore/principia-ethica Principia Ethica] , "he writes:
: It may be true that all things which are good are also something else, just as it is true that all things which are yellow produce a certain kind of vibration in the light. And it is a fact, that Ethics aims at discovering what are those other properties belonging to all things which are good. But far too many philosophers have thought that when they named those other properties they were actually defining good; that these properties, in fact, were simply not "other," but absolutely and entirely the same with goodness. ( [http://fair-use.org/g-e-moore/principia-ethica/s.10#s10p3 § 10 ¶ 3] )
Therefore, we cannot define "good" by explaining it in other words, we can only point to an action or a thing and say "That is good." Similarly, we cannot describe to a blind man exactly what yellow is. We can only show a sighted man a piece of yellow paper or a yellow scrap of cloth and say "That is yellow."
Good as a non-natural property
In addition to categorizing "good" as indefinable, Moore also emphasized that it is a non-natural property. That is, two objects that are qualitatively identical cannot have different values. There cannot be two yellow shirts that are identical in every way (same shade of yellow, made at the same factory, the same brand name, the same style, etc...) except for their reception of the predication of "good" (one cannot be good and the other not good). An object's property of "good" is determined by what other properties the object has. It is a property that is a product of having other properties. Therefore, if two objects are qualitatively identical, they must have the same value of "good".
Moore argued that once arguments based on the
naturalistic fallacyhad been discarded, questions of intrinsic goodness could only be settled by appeal to what he (following Sidgwick) called "moral intuitions:" self-evident propositions which recommend themselves to moral reflection, but which are not susceptible to either direct proof or disproof ( [http://fair-use.org/g-e-moore/principia-ethica/s.45 PE § 45] ). As a result of his view, he has often been described by later writers as an advocate of ethical intuitionism. Moore, however, wished to distinguish his view from the views usually described as "Intuitionist" when "Principia Ethica" was written:
Moore distinguished his view from the view of deontological intuitionists, who held that "intuitions" could determine questions about what "actions" are right or required by
duty. Moore, as a consequentialist, argued that "duties" and moral rules could be determined by investigating the "effects" of particular actions or kinds of actions ( [http://fair-use.org/g-e-moore/principia-ethica/s.89 PE § 89] ), and so were matters for empirical investigation rather than direct objects of intuition ( [http://fair-use.org/g-e-moore/principia-ethica/s.90 PE § 90] ). On Moore's view, "intuitions" revealed not the rightness or wrongness of specific actions, but only what things were good in themselves, as "ends to be pursued".
Proof of an external world
One of the most important parts of Moore's philosophical development was his break from the
idealismthat dominated British philosophy (as represented in the works of his former teachers F. H. Bradleyand John McTaggart), and his defense of what he regarded as a " common sense" form of realism. In his 1925 essay " A Defence of Common Sense" he argued against idealism and skepticismtoward the external world on the grounds that they could not give reasons to accept their metaphysical premises that were more plausible than the reasons we have to accept the common sense claims about our knowledge of the world that skeptics and idealists must deny. He famously put the point into dramatic relief with his 1939 essay "Proof of an External World", in which he gave a common sense argument against skepticism by raising his right hand and saying "Here is one hand," and then raising his left and saying "And here is another," then concluding that there are at least two external objects in the world, and therefore that he knows (by this argument) that an external world exists. Not surprisingly, not everyone inclined to skeptical doubts found Moore's method of argument entirely convincing; Moore, however, defends his argument on the grounds that skeptical arguments seem invariably to require an appeal to "philosophical intuitions" that we have considerably less reason to accept than we have for the common sense claims that they supposedly refute. (In addition to fueling Moore's own work, the "Here is one hand" argument also deeply influenced Wittgenstein, who spent his last years working out a new approach to Moore's argument in the remarks that were published posthumously as " On Certainty".)
Moore is also remembered for drawing attention to the peculiar inconsistency involved in uttering a sentence such as "It will rain but I don't believe that it will"--a puzzle which is now commonly called "
Moore's paradox". The puzzle arises because it seems impossible for anyone to consistently "assert" such a sentence; but there doesn't seem to be any "logical contradiction" between "It will rain" and "I don't believe that it will rain". (Indeed, it is not unusual for such conjunctions to be "true" — for example, whenever I am wrong about the weather forecast.)
In addition to Moore's own work on the paradox, the puzzle also inspired a great deal of work by
Ludwig Wittgenstein, who described the paradox as the most impressive philosophical insight that Moore had ever introduced.
Moore’s description of the principle of
organic unityis extremely straightforward; nonetheless, it is a principle that seems to have generally escaped ethical philosophers and ontologists before his time:
: The value of a whole must not be assumed to be the same as the sum of the values of its parts (Principia, [http://fair-use.org/g-e-moore/principia-ethica/s.18 § 18] ).
According to Moore, a moral actor cannot survey the “goodness” inherent in the various parts of a situation, assign a value to each of them, and then generate a sum in order to get an idea of its total value. A moral scenario is a complex assembly of parts, and its total value is often created by the relations between those parts, and not by their individual value. The organic metaphor is thus very appropriate: biological organisms seem to have emergent properties which cannot be found anywhere in their individual parts. For example, a human brain seems to exhibit a capacity for thought when none if its neurons exhibit any such capacity. In the same way, a moral scenario can have a value far greater than the sum of its component parts.
To understand the application of the organic principle to questions of value, it is perhaps best to consider Moore’s primary example, that of a consciousness experiencing a beautiful object. To see how the principle works, a thinker engages in “reflective isolation”, the act of isolating a given concept in a kind of null-context and determining its intrinsic value. In our example, we can easily see that per sui, beautiful objects and consciousnesses are not particularly valuable things. They might have some value, but when we consider the total value of a consciousness experiencing a beautiful object, it seems to exceed the simple sum of these values (Principia 18:2).
* G. E. Moore, " [http://fair-use.org/mind/1899/04/the-nature-of-judgment The Nature of Judgment] " (1899)
* G. E. Moore, " [http://fair-use.org/g-e-moore/principia-ethica/ Principia Ethica] " (1903)
* G. E. Moore, [http://fair-use.org/international-journal-of-ethics/1903/10/book-reviews/the-origin-of-the-knowledge-of-right-and-wrong Review of Franz Brentano's "The Origin of the Knowledge of Right and Wrong"] (1903)
* G. E. Moore, " [http://www.ditext.com/moore/refute.html The Refutation of Idealism] " (1903)
* G. E. Moore, " [http://www.hist-analytic.org/Mooreobjectsofperception.pdf The Nature and Reality of the Objects of Perception] " (1905-6)
* G. E. Moore, " [http://fair-use.org/g-e-moore/ethics Ethics] " (1912)
* G. E. Moore, " [http://www.hist-analytic.org/Moorejudgements2.pdf Some Judgments of Perception] " (1918)
* G. E. Moore, " [http://www.archive.org/details/philosophicalstu008406mbp Philosophical Studies] " (1922) [Papers published 1903-21, and first published two:]
** G. E. Moore, " [http://www.ditext.com/moore/intrinsic.html The Conception of Intrinsic Value] "
** G. E. Moore, " [http://www.ditext.com/moore/nmp.html The Nature of Moral Philosophy] "
* G. E. Moore, " [http://www.hist-analytic.org/Moorecharacteristics.pdf Are the Characteristics of Things Universal or Particular?] " (1923)
* G. E. Moore, " [http://www.ditext.com/moore/common-sense.html A Defence of Common Sense] " (1925)
* G. E. Moore and F. P. Ramsey, " [http://www.hist-analytic.org/ramseymoore2.pdf Facts and Proposition (Symposium)] " (1927)
* G. E. Moore, " [http://www.hist-analytic.org/MooreExternalWorld.pdf Proof of an External World] " (1939)
* G. E. Moore, " [http://www.archive.org/details/somemainproblems007085mbp Some Main Problems of Philosophy] " (1953) [Lectures delivered 1910-11]
** G. E. Moore, " [http://www.hist-analytic.org/Mooreonpropositions.pdf Propositions] "
* [http://www.hist-analytic.org/Reidmoore.htm Margin Notes by G. E. Moore on The Works of Thomas Reid (1849: With Notes by Sir William Hamilton)]
Daval, René, "Moore et la philosophie analytique", 1997, Presses Universitaires de France (PUF), ISBN 9782130486909 "(french)"
* [http://www.philosophypages.com/ph/moor.htm Summary of life and work of G. E. Moore]
* The Stanford Encyclopedia of Philosophy
** [http://plato.stanford.edu/entries/moore/ G.E. Moore]
** [http://plato.stanford.edu/entries/moore-moral/ G.E. Moore's Moral Philosophy]
* [http://www.iep.utm.edu/m/moore.htm G. E. Moore] at the Internet Encyclopedia of Philosophy
G. E. Moore, "On Defining "Good," in Analytic Philosophy: Classic Readings, Stamford, CT: Wadsworth, 2002, pp.1-10. ISBN 0-534-51277-1.
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George Edward Moore — Pour l’article homonyme, voir Moore. Concernant le G. E. Moore qui co fonda Intel et inventa ce qui devint la Loi de Moore, se reporter à Gordon Moore. George Edward Moore, usuellement cité comme G. E. Moore (né le… … Wikipédia en Français
George Edward Moore — Grab von G. E. Moore George Edward Moore (* 4. November 1873 in London; † 24. Oktober 1958 in Cambridge) war ein einflussreicher englischer Philosoph. Er wurde gemeinsam mit Bertrand Russell und Ludwig Wi … Deutsch Wikipedia
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George Edward Moore — noun English philosopher (1873 1958) • Syn: ↑Moore, ↑G. E. Moore • Instance Hypernyms: ↑philosopher … Useful english dictionary
George E. Moore — George Edward Moore (* 4. November 1873 in London; † 24. Oktober 1958 in Cambridge) war ein einflussreicher englischer Philosoph. Er wurde gemeinsam mit Bertrand Russell und Ludwig Wittgenstein, und in der Nachfolge von Gottlob Frege, zu einem… … Deutsch Wikipedia
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Moore,George Edward — Moore, George Edward. 1873 1958. British philosopher whose theories, presented in Principia Ethica (1903) and other works, influenced 20th century epistemology and linguistic analysis. * * * … Universalium
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