Externalism(s) of Mind and Justification
Is the philosophical doctrine known as "externalism" or "anti-individualism" have any implications for "foundational beliefs".© SolutionLibrary Inc. solutionlibary.com 9836dcf9d7 https://solutionlibrary.com/philosophy/philosophy-of-the-mind/externalism-s-of-mind-and-justification-1a4
If by foundational beliefs you mean epistemologically foundational (in some sense), there is a large body of literature for you to consult. Donald Davidson (among others) has argued, essentially, that externalism is the key to defeating skepticism. Especially see his "Epistemology ...