Dialectic (; ), also known as the dialectical method, refers originally to dialogue between people holding different Opinion about a subject but wishing to arrive at the truth through reasoned argument. Dialectic resembles debate, but the concept excludes Subjectivity elements such as emotional appeal and rhetoric.See Gorgias, 449B: "Socrates: Would you be willing then, Gorgias, to continue the discussion as we are now doing Dialectic, by way of question and answer, and to put off to another occasion the (emotional) speeches (rhetoric) that (the sophist) Polus began?" It has its origins in ancient philosophy and continued to be developed in the Middle Ages.
Hegelianism refigured "dialectic" to no longer refer to a literal dialogue. Instead, the term takes on the specialized meaning of development by way of overcoming internal . Dialectical materialism, a theory advanced by Karl Marx and Friedrich Engels, adapted the Hegelian dialectic into a materialist theory of history. The legacy of Hegelian and Marxian dialectics has been criticized by philosophers, such as Karl Popper and Mario Bunge, who considered it unscientific.
Dialectic implies a developmental process and so does not fit naturally within classical logic. Nevertheless, some twentieth-century logicians have attempted to formalize it.
Following Boethius (480–524), who drew heavily on Aristotle, From topic to tale: logic and narrativity in the Middle Ages, by Eugene Vance, pp. 43-45 many scholastic philosophers made use of dialectics in their works, including Peter Abelard, William of Sherwood, Garlandus Compotista, Walter Burley, Roger Swyneshed, William of Ockham, and Thomas Aquinas.
This dialectic (a quaestio disputata) was formed as follows:
In the mid-nineteenth century, Hegelian dialectic was appropriated by Karl Marx and Friedrich Engels and retooled in what they considered to be a nonidealistic manner. It would also become a crucial part of later representations of Marxism as a philosophy of dialectical materialism. These representations often contrasted dramatically and led to vigorous debate among different Marxist groups.
This dialectic is sometimes presented in a threefold manner, as first stated by Heinrich Moritz Chalybäus, as comprising three dialectical stages of development: a thesis, giving rise to its reaction; an antithesis, which contradicts or negates the thesis; and the tension between the two being resolved by means of a synthesis. Also see Hegel's preface to the Phenomenology of Spirit, trans. A. V. Miller (Oxford: Clarendon, 1977), §50–51, pp. 29–30. Although, Hegel opposed these terms.
By contrast, the terms abstract, negative, and concrete suggest a flaw or an incompleteness in any initial thesis. For Hegel, the concrete must always pass through the phase of the negative, that is, mediation. This is the essence of what is popularly called Hegelian dialectics.
To describe the activity of overcoming the negative, Hegel often used the term Aufheben, variously translated into English as 'sublation' or 'overcoming', to conceive of the working of the dialectic. Roughly, the term indicates preserving the true portion of an idea, thing, society, and so forth, while moving beyond its limitations. What is sublated, on the one hand, is overcome, but, on the other hand, is preserved and maintained.
As in the Socratic dialectic, Hegel claimed to proceed by making implicit contradictions explicit: each stage of the process is the product of contradictions inherent or implicit in the preceding stage. In his view, the purpose of dialectics is "to study things in their own being and movement and thus to demonstrate the finitude of the partial categories of understanding".
For Hegel, even history can be reconstructed as a unified dialectic, the major stages of which chart a progression from self-alienation as servitude to self-unification and realization as the rational constitutional state of free and equal citizens.
In the Marxist tradition, "dialectic" refers to regular and mutual relationships, interactions, and processes in nature, society, and human thought.
A dialectical relationship is a relationship in which two phenomena or ideas mutually impact each other, leading to development and negation. Development refers to the change and motion of phenomena and ideas from less advanced to more advanced or from less complete to more complete. Dialectical negation refers to a stage of development in which a contradiction between two previous subjects gives rise to a new subject. In the Marxist view, dialectical negation is never an endpoint, but instead creates new conditions for further development and negation.
Karl Marx and Friedrich Engels, writing several decades after Hegel's death, proposed that Hegel's dialectic is too abstract. Against this, Marx presented his own dialectic method, which he claimed to be "direct opposite" of Hegel's method.
Marxist dialectics is exemplified in Das Kapital. As Marx explained,
Class struggle is the primary contradiction to be resolved by Marxist dialectics because of its central role in the social and political lives of a society. Nonetheless, Marx and Marxists developed the concept of class struggle to comprehend the dialectical contradictions between mental and manual labor and between town and country. Hence, philosophic contradiction is central to the development of dialectics: the progress from quantity to quality, the acceleration of gradual social change; the negation of the initial development of the status quo; the negation of that negation; and the high-level recurrence of features of the original status quo.
Friedrich Engels further proposed that nature itself is dialectical, and that this is "a very simple process, which is taking place everywhere and every day".Engels, Frederick, (1877) Anti-Dühring, Part I: Philosophy, XIII. Dialectics. Negation of the Negation. His dialectical "law of the transformation of quantity into quality and vice versa" corresponds, according to Christian Fuchs, to the concept of phase transition and anticipated the concept of emergence "a hundred years ahead of his time". Stalin and Mao interpreted the transformation of quantity into quality not as a separate law, but as a special instance of the unity and struggle of opposites.
For Vladimir Lenin, the primary feature of Marx's "dialectical materialism" (Lenin's term) is its application of materialist philosophy to history and social sciences. Lenin's main contribution to the philosophy of dialectical materialism is his theory of reflection, which presents human consciousness as a dynamic reflection of the objective material world that fully shapes its contents and structure.
Later, Stalin's works on the subject established a rigid and formalistic division of Marxist–Leninist theory into dialectical materialism and historical materialism. While the first was supposed to be the key method and theory of the philosophy of nature, the second was the Soviet version of the philosophy of history.
Soviet systems theory pioneer Alexander Bogdanov viewed Hegelian and materialist dialectic as progressive, albeit inexact and diffuse, attempts at achieving what he called tektology, or a universal science of organization.
In dialectical theology, the difference and opposition between God and human beings is stressed in such a way that all human attempts at overcoming this opposition through moral, religious or philosophical idealism must be characterized as sin. In the death of Christ humanity is negated and overcome, but this judgment also points forwards to the resurrection in which humanity is reestablished in Christ. For Barth this meant that only through God's "no" to everything human can his "yes" be perceived. Applied to traditional themes of Protestant theology, such as double predestination, this means that election and reprobation cannot be viewed as a quantitative limitation of God's action. Rather it must be seen as its "qualitative definition".Karl Barth, The Epistle to the Romans (1933), p. 346
Dialectic prominently figured in Bernard Lonergan's philosophy, in his books Insight and Method in Theology. Michael Shute wrote about Lonergan's use of dialectic in The Origins of Lonergan's Notion of the Dialectic of History. For Lonergan, dialectic is both individual and operative in community. Simply described, it is a dynamic process that results in something new:
Dialectic is one of the eight functional specialties Lonergan envisaged for theology to bring this discipline into the modern world. Lonergan believed that the lack of an agreed method among scholars had inhibited substantive agreement from being reached and progress from being made compared to the natural sciences. Karl Rahner, S. J., however, criticized Lonergan's theological method in a short article entitled "Some Critical Thoughts on 'Functional Specialties in Theology'" where he stated: "Lonergan's theological methodology seems to me to be 'so generic that it really fits every science', and hence is not the methodology of theology as such, but only a very general methodology of science."
In 1937, Karl Popper wrote and delivered a paper entitled "What Is Dialectic?" in which he criticized the dialectics of Hegel, Marx, and Engels for their willingness "to put up with contradictions". He argued that accepting contradiction as a valid form of logic would lead to the principle of explosion and thus trivialism. Popper concluded the essay with these words: "The whole development of dialectic should be a warning against the dangers inherent in philosophical system-building. It should remind us that philosophy should not be made a basis for any sort of scientific system and that philosophers should be much more modest in their claims. One task which they can fulfill quite usefully is the study of the critical methods of science." Seventy years later, Nicholas Rescher responded that "Popper's critique touches only a hyperbolic version of dialectic", and he quipped: "Ironically, there is something decidedly dialectical about Popper's critique of dialectics." Around the same time as Popper's critique was published, philosopher Sidney Hook discussed the "sense and nonsense in dialectic" and rejected two conceptions of dialectic as unscientific but accepted one conception as a "convenient organizing category".
The philosopher of science and physicist Mario Bunge repeatedly criticized Hegelian and Marxian dialectics, calling them "fuzzy and remote from science" and a "disastrous legacy". He concluded: "The so-called laws of dialectics, such as formulated by Engels (1940, 1954) and Lenin (1947, 1981), are false insofar as they are intelligible." Poe Yu-ze Wan, reviewing Bunge's criticisms of dialectics, found Bunge's arguments to be important and sensible, but he thought that dialectics could still serve some heuristic purposes for scientists. Wan pointed out that scientists such as the American Marxist biologists Richard Levins and Richard Lewontin (authors of The Dialectical Biologist) and the German-American evolutionary biologist Ernst Mayr, not a Marxist himself, have found agreement between dialectical principles and their own scientific outlooks, although Wan opined that Engels's "laws" of dialectics "in fact 'explain' nothing".
Even some Marxists are critical of the term "dialectics". For instance, Michael Heinrich wrote, "More often than not, the grandiose rhetoric about dialectics is reducible to the simple fact that everything is dependent upon everything else and is in a state of interaction and that it's all rather complicated—which is true in most cases, but doesn't really say anything."
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