Contents -- Introduction -- Part I. What is Second Philosophy? -- 1. Descartes's first philosophy -- 2. Neo-Cartesian skepticism -- 3. Hume's naturalism -- 4. Kant's transcendentalism -- 5. Carnap's rational reconstruction -- 6. Quine's naturalism -- 7. Putnam's anti-naturalism -- Part II. The Second Philosopher at Work -- 1. What's left to do? -- 2. An illustration: truth and reference -- 3. Reconfiguring the debate -- 4. Disquotation -- 5. Minimalism -- 6. Correlation -- Part III. A Second Philosophy of Logic -- 1. Naturalistic options -- 2. Kant on logic -- 3. Undoing the Copernican revolution -- 4. The logical structure of the world -- 5. The logical structure of cognition -- 6. The status of rudimentary logic -- 7. From rudimentary to classical logic -- 8. Caveats -- Part IV. Second Philosophy and Mathematics -- 1. Second philosophy of science -- 2. Mathematics in application -- 3. Second methodology of mathematics -- 4. Second philosophy of mathematics -- 5. Second metaphysics -- References -- Index -- A -- B -- C -- D -- E -- F -- G -- H -- I -- J -- K -- L -- M -- N -- O -- P -- Q -- R -- S -- T -- U -- V -- W -- X -- Y -- Z.