Absolute idealism
Explanation
If Kant had left a residual dualism between phenomenon and thing-in-itself, the later German idealists — Fichte, Schelling and above all Hegel — set out to eliminate it. For Hegel, there is no inaccessible noumenon beyond experience: the real, all that is real, is an expression of Spirit (Geist), a rational process that develops historically and culminates in full self-consciousness.
The great Hegelian thesis, formulated in the Phenomenology of Spirit (1807), is that "the rational is real and the real is rational". There is no blind material universe that mind tries to understand from outside, but a single process in which consciousness and world are moments of the same unfolding. Thinking and being ultimately coincide.
The engine of the process is the dialectic: each position (thesis) generates its contradiction (antithesis), and both are resolved in a higher synthesis that preserves and overcomes them (Aufhebung). Individual consciousness, social consciousness, institutions, religion and art are stages of this movement that goes from simpler forms (sensible "this") to more complex forms (self-consciousness, reason, absolute Spirit).
A capital idea is intersubjective recognition: self-consciousness does not arise in isolation but in the encounter with another consciousness. The famous master-slave dialectic describes how two consciousnesses confront each other seeking recognition, and how paradoxically it is the slave, through work, who develops more self-consciousness than the master. The self is not an individual starting point, but a social achievement.
Absolute idealism was the culmination of a tradition and at the same time the favourite target of subsequent generations. Marx inverted Hegel to make material labour, not Spirit, the engine of history. Kierkegaard rejected the system in the name of singular existence. Russell and the analytics accused it of obscurantism. Despite everything, its imprint on continental philosophy, theology and critical theory is enormous.
For a theory of consciousness, the Hegelian legacy is to insist that individual consciousness is not understood outside its historical, linguistic, social and institutional context. No floating brain: consciousness is always consciousness situated in a concrete culture, heir to a past and oriented to a project. This intuition resonates in contemporary phenomenologies and in 4E (embodied, embedded, extended, enactive) approaches to cognition.
Strengths
- Embeds consciousness in a historical and intersubjective web, not as an isolated monad.
- Accounts for the social character of self-knowledge (dialectic of recognition).
- Dynamic and processual model, not static.
- Anticipates many themes of social cognitive sciences and continental philosophy.
Main critiques
- The dialectic as ontological engine is seen as mystical or unfalsifiable by analytic critics.
- The final 'absolute knowledge' has been branded totalitarian or teleologically naive (Popper, Adorno with nuances).
- Difficult articulation with empirical results from neuroscience or psychology.
- Opaque style that hampers intersubjective verification of the argument.