On Martin Heidegger's "Letter on Humanism" (1949). What's our place in the world? What is it, really, to be human? Heidegger thought that being human hinges on having a proper relationship to Being, which is more basic than particular beings like people and tables and such, yet it being so close, Heidegger thinks it's hardest to see, and easy to be distracted from.

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A short summary of Heidegger's "Essay on Humanism," read by Seth Paskin.

Eva Brann discusses her book The Logos of Heraclitus (2011). What is the world like, and how can we understand it? Heraclitus thinks that the answer to both questions is found in “the logos.”

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On Rand's Introduction to Objectivist Epistemology (1967) and "The Objectivist Ethics" (1961). First Rand grounds everyday human knowledge, largely by dismissing the concerns of other philosophers (even those whom she unknowingly parrots) as absurd. Then she uses this certainty to argue for her semi-Nietzschean vision of Great Men who master their emotions and rely only on themselves. Learn more.

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On George Santayana's The Sense of Beauty (1896). What are we saying when we call something "beautiful?" Are we pointing out an objective quality that other people (anyone?) can ferret out, or just essentially saying "yay!" without any logic necessarily behind our exclamation? The poet and philosopher Santayana thought that while aesthetic appreciation is an immediate experience--we don't "infer" the beauty of something by recognizing some natural qualities that it has--we can nonetheless analyze the experience after the fact to uncover a number of grounds on which we might appreciate something.

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On Gilles Deleuze and Félix Guattari's What Is Philosophy? (1991). How is philosophy different from science and art? What's the relationship between different philosophies? Is better pursued solo, or in a group? Deleuze described philosophy as the creation of new concepts, whereas science is about functions that map observed regularities and art is about creating percepts and affects. With guest Daniel Coffeen.

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On Jacques Lacan's "Seminar on 'The Purloined Letter'" (1956), Jacques Derrida's "The Purveyor of Truth" (1975), and other essays in the collection The Purloined Poe: Lacan, Derrida, and Psychoanalytic Reading. How should philosophers approach literature? Lacan read Edgar Allen Poe's story about a sleuth who outthinks a devious Minister as an illustration of his model of the psyche, and why we persist in self-destructive patterns. Derrida thought this reading not only imposed a bunch of psychobabble onto the story, but demonstrated that Lacan just didn't know how to read a text.

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On Bruce Fink's The Lacanian Subject (1996) and Lacan's "The Mirror Stage as Formative of the Function of the I as Revealed in Psychoanalytic Experience" (1949). What is the self? Is that the same as the experiencing subject? Lacan says no: while the self (the ego) is an imaginative creation, cemented by language, the subject is something else, something split (at least initially) between consciousness and the unconscious. Lacan mixes this Freudian picture with semiotics--an emphasis on systems of linguistic symbols--using this to both create his picture of the psyche and explain how psychological disorders arise.

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Mark, Seth, Wes, and Dylan share what drove them into philosophy and keeps them there. How is philosophy different than (or similar to) science? Than religion? Art? The consensus seems that philosophy, to us, is inevitable for the curious. It's just inquiry, unbounded (in principle at least) by any fixed assumptions. We did no formal reading for this discussion, but did tell each other to keep in mind Plato's "Apology."

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We're joined by an international terrorism expert to discuss how to define terrorism and whether it can ever be ethical. With readings by Donald Black, J. Angelo Corlett, Igor Primoratz, Karl Heinzen, Bhagat Singh, and Carl von Clausewitz.

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