Thrivous Nootropics for Cognitive Enhancement

Shelly Kagan on the Nature of Persons: Dualism and Physicalism

In this lecture, Shelly Kagan talks about life and death, as well as persons, in black and white terms. However, are there degrees of life and death? Are there degrees of consciousness? Are there degrees of identity?

He also talks about the death process in linear terms: a person gradually breaks down at a linear rate; and, at a certain point, the person dies. However, could the break down be exponential, and thereby provide only an approximation of black and white death in our unaided human observation?

Finally, Shelly focuses on dualism and physicalism, associating dualism with immaterialism and physicalism with materialism. In doing so, he overlooks the idea of substrate independence, which is neither dualism nor physicalism, as he describes them. Could we be entirely material, having minds that are dependent on physical substrates generally, yet not dependent on any particular physical substrate? Could our minds be physical degrees of abstraction, like an atom is a physical degree of abstraction? And how distributed might a substrate-independent person be across even its environment and other persons?

Shelly is setting up his lectures with definitions of life and persons that are too black and white.

Here are my thoughts on Shelly's first lecture.

Here are my thoughts on Shelly's third lecture.
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Thrivous Nootropics for Cognitive Enhancement
Thrivous Nootropics for Cognitive Enhancement