Carl Hempel (1949) "The Logical Analysis of Psychology" in Herbert Feigl and Wilfrid Sellars (eds.) Readings in Philosophical Analysis, Appleton-Century-Crofts.

10月分．

Matthew Duncombe (2020) Ancient Relativity, Oxford University Press. Chap.12. Conclusion. 246-256.

Matthew Duncombe (2020) Ancient Relativity, Oxford University Press. Chap.11. Relativity against dogmatism in Sextus Empiricus. 226-245.

Matthew Duncombe (2020) Ancient Relativity, Oxford University Press. Chap.10. Relativity in Stoic physics, metaphysics, and ethics. 202-225. 土地勘がないのでやや理解に自信がない．