[redacted for anonymous review] I show that Lewis’s account of intrinsic properties faces a puzzle when it comes to classifying some properties in quantum mechanics.

[redacted for anonymous review] I propose an analysis of the notion of biological mechanism.

[redacted for anonymous review] I argue against the dominant, set-theoretic approach to analyzing the structures of mathematical objects (like spacetime theories), and I suggest a group-theoretic alternative.

“The Physical Content of Mathematical Expressions”. I propose a few general principles by which to infer some of the physical content of our physical theories from the mathematics in which they are couched.