The Upanishadic doctrine of the unity of selves is interpreted by him to mean an absence of difference of kind among selves, which is consistent with the Samkhya.
In the modern sense, subjectivity depends primarily on the unity of self-consciousness, and on interiority, freedom, and personal autonomy.
Kant characterized the subjective pole of the distinction as the contentless transcendental unity of self-consciousness and the objective pole as the contentless transcendental object that corresponds to the concept of an object in general (CPR, A 109).
In Fichte's technical terminology, the original unity of self-consciousness is to be understood as both an action and as the product of the same: as a Tathandlung or "fact/act," a unity that is presupposed by and contained within every fact and every act of empirical consciousness, though it never appears as such therein.
While liberal feminism continues to flourish, it is not without its critics, especially given that it continues to treat unproblematically many of the concepts that theorists in the 1990s and since have problematized, such as "woman" as a stable and identifiable category and the unity of the self underlying self-rule or autonomy.
This understanding of the ethical unity of the self and world was the ground, as Neo-Confucians understood quiet-sitting, not for withdrawal or inactivity but instead for a dynamic engagement with the world.
For thirty years philosophers have found implications for the unity of the self in experiments with commissurotomy patients (Nagel 1971).[12] In carefully controlled experiments, commissurotomy patients display two dissociable seats of consciousness.
The idea is that passionate care about something outside ourselves gives diachronic coherence in our lives and provides the basis for the narrative unity of the self (Davenport 2012).
The sheer unity of the self, which was posited as the starting point of the Foundations, is thereby transformed into an idea of reason in the Kantian sense: the actual I is always finite and divided against itself, and hence it is always striving for a sheer self-determinacy that it never achieves.
Since both are felt to represent this person a tension arises along with a desire to resolve the tension; so there is, right at the heart the matter a kind of movement toward restoring the unity of the self by overcoming the dualism that necessarily exists in any volition.
