Portugal Street Philosophy Podcast

Welcome to the ninth episode of the Portugal Street Philosophy Podcast, the official podcast of the LSE Philosophy Society. In each episode, we take an important philosophical question and explore our best current attempts to answer it. For this episode, our question is “What is the correct interpretation of quantum mechanics?” and our guide to the topic is Professor Sean Carroll. In this episode we discuss: Interpreting quantum mechanics: the measurement problem and the reality problem Schrödinger evolution and the Born rule A brief history of interpretations of quantum mechanics The many-worlds interpretation Entanglement, decoherence, and branching Many-worlds and probabilities: decision theory, self-locating uncertainty, and quantum immortality Other interpretations: hidden variables, objective collapse, and epistemic approaches The role of philosophy in the foundations of physics About our guest: Sean Carroll is a Research Professor of Physics at Caltech and an External Professor at the Santa Fe Institute. His research focuses on foundational questions in quantum mechanics, spacetime, cosmology, emergence, entropy, and complexity, occasionally touching on issues of dark matter, dark energy, symmetry, and the origin of the universe. Professor Carroll is the author of numerous books, including From Eternity to Here, The Particle at the End of the Universe, and The Big Picture. His latest best-seller, Something Deeply Hidden, is about the Many-Worlds interpretation of quantum mechanics. He is also the host of the fantastic Mindscape podcast. Check out Sean's website here: https://www.preposterousuniverse.com/ Check out the Mindscape Podcast here: https://www.preposterousuniverse.com/podcast/ Link to Something Deeply Hidden (Carroll, 2019): https://www.preposterousuniverse.com/somethingdeeplyhidden/ About your host: Eric Chen is an undergraduate studying Philosophy and Economics at the London School of Economics.

Welcome to the eighth episode of the Portugal Street Philosophy Podcast, the official podcast of the LSE Philosophy Society. In each episode, we take an important philosophical question and explore our best current attempts to answer it. For this episode, our question is “What are probabilities?” and our guide to the topic is Professor Anna Mahtani. In this episode we discuss: Subjective and objective probabilities The Kolmogorov axioms Interpretations of probability Dutch Book arguments and rationality Subjective probabilities and epistemic states Epistemic states of real vs. ideal agents Open questions in bounded rationality: awareness growth, imprecise probabilism About our guest: Anna Mahtani is an Associate Professor of Philosophy at the London School of Economics. She works on the philosophy of language, decision theory, formal epistemology, and welfare economics, as well as the relationship between these areas. She has published on a wide range of topics, including vagueness, imprecise probabilism, arguments for probabilism, and the ex-ante Pareto principle. She is currently writing a book called The Objects of Credence. Check out Anna's website here: https://personal.lse.ac.uk/mahtania/ About your host: Eric Chen is an undergraduate studying Philosophy and Economics at the London School of Economics.

Welcome to the seventh episode of the Portugal Street Philosophy Podcast, the official podcast of the LSE Philosophy Society. In each episode, we take an important philosophical question and explore our best current attempts to answer it. For this episode, our question is “How should we make decisions under uncertainty?” and our guide to the topic is Professor Richard Bradley.  In this episode we discuss: The relationship between descriptive and normative decision theory Expected utility theory Rationality constraints and representation theorems vNM and Savage’s representation theorems Foundationalism vs. reflective equilibrium Idealizations within expected utility theory Confidence, resilience, and the paradox of ideal evidence Unawareness, cluelessness, and ‘medium-termism’ Evaluative uncertainty The relationship between ideal and bounded rationality About our guest: Richard Bradley is a Professor of Philosophy at the London School of Economics and a leading thinker in philosophical decision theory. He also works in related fields such as formal epistemology and semantics. Recently, he has been working on the nature of chance and our attitudes towards it, as well as the issue of decision-making under severe uncertainty. He is also the author of the book Decision Theory with a Human Face, which was published by Cambridge University Press in 2017. Check out Richard's website here: https://personal.lse.ac.uk/bradleyr/ Link to Decision Theory with a Human Face (Bradley, 2017): https://www.cambridge.org/gb/academic/subjects/philosophy/philosophy-science/decision-theory-human-face?format=HB&isbn=9781107003217 About your host: Eric Chen is an undergraduate studying Philosophy and Economics at the London School of Economics.

Welcome to the sixth episode of the Portugal Street Philosophy Podcast, the official podcast of the LSE Philosophy Society. In each episode, we take an important philosophical question and explore our best current attempts to answer it. For this episode, our question is “What are the requirements of instrumental rationality?” and our guide to the topic is Professor Johanna Thoma.  In this episode we discuss: Instrumental rationality: coherence of attitudes and reasons Basic ingredients of normative decision theory and traditional instrumental rationality Normative decision theory as a theory of instrumental rationality: interpretation and justification Practical reason: Humeanism vs. Kantianism Two requirements of decision theory: consistent preferences, and acting in accordance with preferences Requirements on preferences in cases of certainty, risk, and uncertainty Instrumentalist arguments for coherence requirements Preferences as foundational vs. utility as foundational The Money Pump Argument for transitive preferences Why the Money Pump Argument doesn’t work About our guest: Johanna Thoma is an Associate Professor of Philosophy at the London School of Economics. She works broadly at the intersection of philosophy, economics, and public policy. She has published on practical rationality and decision theory, ethics, and public policy, as well as economic methodology and the application of economic methods to philosophical problems. Much of her work is united by the goal of better understanding what morality and rationality require of us when we are facing uncertainty about the future. Check out Johanna's website here: https://johannathoma.com/ About your host: Eric Chen is an undergraduate studying Philosophy and Economics at the London School of Economics.

Welcome to the fifth episode of the Portugal Street Philosophy Podcast, the official podcast of the LSE Philosophy Society. In each episode, we take an important philosophical question and explore our best current attempts to answer it. For this episode, our question is “Are there any successful arguments for or against the existence of God?” and our guide to the topic is Professor Graham Oppy. In this episode we discuss: What makes a successful argument? What makes an agent rational? Bounded, ideal and minimal rationality Why there aren’t any successful arguments for and against the existence of God The relationship between argument and theory Theories and theoretical virtues Trading-off simplicity and explanation The future of this debate About our guest: Graham Oppy is Professor of Philosophy at Monash University. He is also a Fellow of the Australian Academy of Humanities and the foundation editor of the Australasian Philosophical Review. Professor Oppy is a leading thinker on the philosophy of religion, but he has also published on a broad range of topics within metaphysics, the philosophy of science, and epistemology. He is the author and editor of numerous books, including ‘Arguing about Gods’, ‘The Best Argument Against God’ and more recently, ‘A Blackwell Companion to Atheism and Philosophy’. Check out Graham's website here: https://research.monash.edu/en/persons/graham-oppy About your host: Eric Chen is an undergraduate studying Philosophy and Economics at the London School of Economics.