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aboutlogic

Deniz Sarikaya, Thorsten Altenkirch 18 Folgen Aug 19, 2026

A bi-weekly podcast where logic, mathematics, philosophy, and computer science meet. It features in-depth conversations with people working in and around the foundations of these subjects, covering topics from the foundations of computer science and set theory to critical thinking, puzzles, and academic life.

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aboutlogic:premises #06 | What Is a Set? A Beginner’s Guide to Set Theory Aug 19, 2026 1637 What Is a Set? A Beginner’s Guide to Set Theory | aboutlogic: premises #06 In this aboutlogic: premises episode, Deniz and Thorsten explore the foundations of set theory. From Cantor’s groundbreaking ideas to Frege’s logical foundations and Russell’s paradox. Discover how sets evolved from simple collections to a rigorous mathematical framework, and why the power set, well-ordering, and the contin

aboutlogic #18 | The Hidden History of Logic: Jan von Plato on Gödel, Gentzen & Bernays Aug 13, 2026 3772 aboutlogic #18 | What really happened in the 1930s logic revolution? Jan von Plato (University of Helsinki, ERC Grantee) joins Deniz and Thorsten to uncover the hidden collaborations, misunderstandings, and lost manuscripts that shaped modern logic. From Gödel’s unpublished notes to Gentzen’s lost normalization proof and Bernays’ pivotal role in Hilbert’s school, this episode reveals how the his

aboutlogic: premises #05 | Dependent Type Theory: A Revolution in Math & Computer Science Aug 5, 2026 1669 Dependent Type Theory: A Revolution in Math & Computer Science | aboutlogic: premises #05 What makes dependent type theory so powerful? In this aboutlogic: premises episode, Deniz and Thorsten explore the evolution of type theory. From simple types to Pierre Martin-Löf’s groundbreaking dependent types. Discover how this innovation transformed mathematics and computer science by allowing types to d

aboutlogic #17 | José Pérez Escobar – Wittgenstein, Turing & the Philosophy of Applied Mathematics Jul 29, 2026 4539 aboutlogic #17 | Why is mathematics so effective in science? José Pérez Escobar (UNED, Madrid) joins Deniz and Thorsten to explore Wittgenstein’s philosophy of applied mathematics, the role of rules vs. structures in math, and how models shape our understanding of reality. From neuroscience to physics, José explains why mathematical models often act as rules of description rather than mere represe

aboutlogic: premises #04 | The Harry Potter Approach to Proof Assistants – Lean, Agda & AI Jul 22, 2026 1698 Your support helps us keep these conversations going! If you’d like to contribute, you can buy us a coffee here: https://buymeacoffee.com/aboutlogic How do interactive theorem provers like Lean and Agda change the way we teach and do mathematics? In this aboutlogic: premises episode, Deniz and Thorsten discuss the role of proof assistants in education, the differences between Lean and Agda, and

aboutlogic #16 | Schröder & Fisseni – The Language of Mathematics: Frames, Narratives & AI Jul 15, 2026 3002 aboutlogic #16 | How is mathematical language structured, and what can linguistics teach us about proofs, ambiguity, and storytelling in math? In this episode, Bernhard Fisseni and Bernhard Schröder (University of Duisburg-Essen) join Deniz and Thorsten to explore the frames, narratives, and pragmatic structures behind mathematical texts.

aboutlogic: premises #03 | Synthetic vs. Analytic Math: Inspired by Emily Riehl Jul 8, 2026 2294 Inspired by our conversation with Emily Riehl on higher category theory, this aboutlogic: premises episode dives into the synthetic vs. analytic approach in mathematics. Deniz and Thorsten explore how Euclid’s geometry, category theory, and higher categories embody the synthetic approach. Focusing on abstract structures and relationships rather than concrete coordinates or definitions.

aboutlogic #15 | Emily Riehl – Higher Category Theory, Homotopy & AI in Math Jul 1, 2026 3513 aboutlogic #15 | Emily Riehl (Johns Hopkins University) joins us to explore higher category theory, homotopy, and the role of AI in modern mathematics. From the foundations of category theory to the challenges of formalizing math with proof assistants like Lean, Emily shares her insights on synthetic vs. analytic approaches, the beauty of abstraction, and how AI is changing mathematical research.

aboutlogic: premises #02 | Hilbert’s Hotel & Cantor’s Infinity: The Story of Set Theory Jun 24, 2026 1617 Your support helps us keep these conversations going! If you’d like to contribute, you can buy us a coffee here: https://buymeacoffee.com/aboutlogic What is set theory—a foundation of math or a science of infinity? In this aboutlogic: premises episode, Deniz and Thorsten explore the history, paradoxes, and philosophical debates behind set theory. From Cantor’s diagonal argument to Hilbert’s Hote

#14 aboutlogic | Dana Scott – Lambda Calculus, Forcing & the Foundations of Math Jun 17, 2026 1980 aboutlogic #14 | Turing Award winner Dana Scott joins us to discuss his groundbreaking work on lambda calculus, forcing, and Boolean-valued models and how these ideas revolutionized set theory and computability. From his collaborations with Kleene and Solovay to his thoughts on constructive mathematics, Scott shares insights into the history and future of logical foundations. Hear anecdotes about

aboutlogic: premises #01 | Is Math a Story? A Constructivist Perspective and Captain Ahab's Dilemma Jun 10, 2026 1561 Our weekly Premises: Behind-the-scenes thoughts, deep dives, and the ideas that didn’t fit into the main episodes. Is mathematics a discovery or a story we tell ourselves? In this first aboutlogic: premises episode, Deniz and Thorsten explore why math might be more like fiction than absolute truth and what that means for logic, proof, and the future of the field.

aboutlogic #13 | Joel David Hamkins – Set Theory, Pluralism & the Multiverse View Jun 3, 2026 5086 aboutlogic #13 | In this episode of aboutlogic, we’re joined by Joel David Hamkins, professor at the University of Notre Dame and a leading figure in set theory, mathematical logic, and the philosophy of mathematics. Joel shares his insights into the multiverse view of set theory, a perspective that challenges the traditional "universe view" by embracing a pluralistic approach to mathematical trut

aboutlogic #12 | Urs Schreiber – Quantum (Physics, Computing), Topos & Homotopy Theory Mai 20, 2026 3573 aboutlogic #12 | In this episode of aboutlogic, we’re joined by UrsSchreiber, a senior scientist at New York University Abu Dhabi. Urs shares insights into his work at the intersection of quantum physics, topos theory, and homotopy type theory. We explore how these advanced mathematical frameworks help address fundamental questions in physics, from understanding gauge fields to the role of higher

aboutlogic #11 | Season 1 Recap: Feedback, Highlights & Season 2 Preview Mai 6, 2026 3812 aboutlogic #11 | In this special Season 1 Recap of aboutlogic, Deniz and Thorsten reflect on your comments and feedback, revisit some of the most intriguing topics, and look back at all the incredible guests from the first season. What were the highlights? What did we learn? And what’s in store for Season 2? Join us for a wrap-up filled with insights, gratitude, and a sneak peek at what’s next.

aboutlogic #10 | Seunghyun Song & Jordi Fairhurst – ABC Conjecture, Epistemic & Linguistic Justice Apr 22, 2026 3160 aboutlogic #10 | In this episode, we talk with Seunghyun Song and Jordi Fairhurst about the ABC conjecture, the importance of epistemic justice, and the role of linguistic justice in non-Western mathematical traditions. How do diverse perspectives reshape our understanding of mathematics? Join the Discussion: Have questions or thoughts to share? Drop a comment below and engage in a discussion wit

aboutlogic #09 | Andrej Bauer – 5 Stages of Accepting Intuitionistic Math & Proofs by Contradiction Apr 8, 2026 2938 aboutlogic #09 | In this episode, we talk with Andrej Bauer about the five stages of accepting intuitionistic mathematics and the challenges surrounding proofs by contradiction. Join the Discussion: Have questions or thoughts to share? Drop a comment below and engage in a discussion with fellow viewers and experts.

aboutlogic #08 | Deborah Kant – Talking with Set Theorists: Insights in Mathematical Philosophy Mär 25, 2026 2816 aboutlogic #08 | In this episode, Deborah Kant presents findings from her interview study with set theorists, exploring the relationship between philosophy and empirical methods in mathematics. Join the Discussion: Have questions or thoughts to share? Drop a comment below and engage in a discussion with fellow viewers and experts.

aboutlogic #07 | Alexander Steen – Interactive Theorem Provers, Legal Reasoning, Non-Standard Logics Mär 11, 2026 2947 aboutlogic #07 | We’re joined by Alexander Steen, who works on logics to be used in legal contexts. In this episode, we talk about the relationship between ethics and law, how good old-fashioned artificial intelligence can help legal practitioners, and how to use theorem proving practices for this. Join the Discussion: Have questions or thoughts to share? Drop a comment below and engage in a disc

aboutlogic #06 | Colin Rittberg – Philosophy & Sociology of Mathematics, Epistemic Injustice Feb 25, 2026 2845 aboutlogic #06 | We’re joined by Colin Rittberg to discuss the philosophy and sociology of mathematics and the concept of epistemic injustice within mathematical communities.

aboutlogic #05 | Steve Awodey – Homotopy Type Theory, Logic & Philosophy Feb 11, 2026 3098 We’re joined by Steve Awodey, one of the founders of Homotopy Type Theory. In this episode, we talk about the relationship between philosophy and mathematics, the main ideas behind geometric thinking and logic, and how all of this connects to computer science. Join the Discussion: Have questions or thoughts to share? Drop a comment below and engage in a discussion with fellow viewers and experts.

aboutlogic #04 | Graham Priest – Working with Contradictions & Paraconsistent Logics Jan 28, 2026 2765 Today we’re joined by Graham Priest from New York, a philosopher who also studied mathematics and is well known for many things. In particular, we will talk about contradictory logics – logics where we can work with a contradiction without being able to prove everything. We’ll also discuss non-standard topics, including non-standard arithmetic and non-standard set theory, and how all of this is ph

aboutlogic #01 | Thorsten Altenkirch – Theorem Proving, Constructive Math & Type Theory Jan 14, 2026 1577 This weeks interview with Thorsten Altenkirch touches on topics like: Theorem proving software in education, constructive mathematics, type theory and many more.

aboutlogic #02 | Deniz Sarikaya – Philosophy of Math, Sociology, Set Theory & Universe vs Multiverse Jan 14, 2026 1724 This weeks interview with Deniz Sarikaya touches on topics like: Philosophy of Mathematical Practice, Sociology of Mathematics, Set Theory and the Universe vs. Multiverse-Debate

aboutlogic #03 | Kevin Buzzard – Lean & Formal Mathematics Jan 14, 2026 3096 This weeks interview with Kevin Buzzard touches on topics like: Theorem Proving Software, LEAN, Fermat's Last Theorem and Foundations of Mathematics.

aboutlogic Teaser | A Podcast on Logic, Mathematics & Philosophy Jan 14, 2026 35 Welcome to aboutlogic, a dedicated space where the realms of logic, mathematics, philosophy, and computer science converge. Every two weeks, we feature in-depth conversations with some of the most brilliant minds in these fields, who were somehow stupid enough to speak with us.