Hossein Jorjani
First publication: 2026 – 07 – 19
Histories of dialectic usually distinguish among philosophers, schools, or historical periods. Equally important, however, is the function that dialectic serves within different intellectual traditions. The same term has been employed for fundamentally different purposes, and these differences are not always made explicit. Three broad historical functions may be distinguished.
The earliest conception, associated primarily with Socrates and much of Plato, understood dialectic as an epistemological method. Through questioning, criticism, and the examination of opposing viewpoints, dialectic sought to clarify concepts, expose contradictions, and guide inquiry toward a more adequate understanding of truth. Whatever metaphysical commitments Plato himself may have held regarding the Forms, dialectic functioned primarily as a method of philosophical investigation rather than as a claim that reality itself developed dialectically.
A second conception emerged within the Christian intellectual tradition, extending from medieval scholasticism to later religious existentialism. Here dialectic acquired a predominantly soteriological function. Thinkers such as Abelard employed dialectical reasoning to reconcile apparently conflicting theological authorities and thereby deepen the rational understanding of revealed truth. In later religious thought, particularly in Kierkegaard, the dialectical movement became increasingly inward and existential. Its purpose was no longer merely intellectual clarification but spiritual transformation: to overcome pride, negate the autonomous self, and draw closer to God. Although this tradition differed profoundly from Plato’s philosophical inquiries, dialectic remained fundamentally methodological rather than ontological. Its immediate aim was spiritual transformation rather than philosophical clarification, yet it was still employed as a means of approaching truth rather than as a theory of reality itself.
A third conception appeared with Hegel and profoundly influenced Marx and Engels. Here dialectic underwent a fundamental transformation. It ceased to function primarily as a method of inquiry or spiritual discipline and became an ontological principle. Reality itself—whether understood as Spirit, history, society, or, in some later interpretations, nature—was held to develop dialectically. Contradiction was no longer merely an instrument of reasoning or a challenge to faith; it became a generative principle governing the development of reality itself.
From this perspective, the decisive historical discontinuity in the history of dialectic was not simply the transition from Plato to Plotinus, or from idealism to materialism, but the transformation of dialectic from a method into a theory of reality. This distinction helps explain why thinkers as different as Plato and Kierkegaard may both be described as dialecticians while nevertheless differing fundamentally from Hegel. They employed dialectic to understand reality or to approach God; they did not generally claim that reality itself unfolded according to dialectical laws.
This tripartite distinction is, of course, an analytical framework rather than a rigid historical classification. Individual philosophers often combined elements of more than one conception, and the boundaries between them are not always sharp. Nevertheless, distinguishing the epistemological, soteriological, and ontological functions of dialectic helps clarify one of the major transformations in the history of Western thought.
More generally, this tripartite distinction illustrates an important hermeneutical principle. The historical continuity of a philosophical term does not necessarily imply the continuity of the concept it denotes. The word dialectic has been applied to fundamentally different intellectual enterprises whose similarities are as much linguistic and historical as they are philosophical.
Hossein Jorjani 