Internalism in philosophy of mind is the thesis that all conditions that constitute a person's current thoughts and sensations, with their characteristic contents, are internal to that person's skin and contemporaneous. Externalism is the denial of internalism, and is now broadly popular. Joseph Mendola argues that internalism is true, and that there are no good arguments that support externalism.

Anti-Externalism has three parts. Part I examines famous case-based arguments for externalism due to Kripke, Putnam, and Burge, and develops a unified internalist response incorporating...