Self-knowledge and Externalism

Semantic Externalism, Self-Knowledge, and Slow Switching

Semantic externalism holds that the content of at least some of our thoughts is partly constituted by external factors. Accordingly, it leads to the unintuitive consequence that we must then often be mistaken in what we are thinking, and any kind of claim of privileged access must be given up. Those who deny that semantic externalists can retain any account of self-knowledge are ‘incompatibilis...

Externalism and Self-Knowledge: Content, Use, and Expression

First-Person Externalism

Ever since the 1970’s, philosophers of mind have engaged in a lively discussion of Externalism. Externalism is the metaphysical thesis that the contents of one’s thoughts are determined partly by empirical features of one’s environment. Externalism appears to clash with another plausible thesis—the epistemological thesis that one can have knowledge of one’s own thoughts, without evidence or emp...

Incompatibility Arguments and Semantic Self Knowledge

There has been much discussion recently of what has been labeled the “Brown-Boghossian-McKinsey”, “Brown-McKinsey” or sometimes just “McKinsey” arguments for the incompatibility of externalism and self-knowledge. However, while the three author’s arguments have been treated as interchangeable, they are not identical. In particular, Brown’s and Boghossian’s arguments have a fairly serious flaw t...

Externalism, Self-Knowledge and Transmission of Warrant

Externalism about some mental property, M, is the thesis that whether a person (or other physical being) has M depends, not only on conditions inside the person’s skin, but also on the person’s environment and the way that the person is embedded in that environment. The dependence here is supposed to be conceptual rather than causal; it is the kind of dependence that can be revealed by philosop...