@manchak.bsky.social
I am a professor of Logic and Philosophy of Science at UC Irvine. I think about space and time. https://sites.socsci.uci.edu/~jmanchak/
Among other things, we show that the claim must fail for "Heraclitus" spacetimes -- models that have no local symmetries at all.
05.08.2025 00:32 — 👍 1 🔁 0 💬 0 📌 0It is sometimes claimed that the "privileged coordinates" of geometric model (e.g. a relativistic spacetime) encode its "structure". In a paper just out in Philosophy of Science (open access), Thomas Barrett and I explore the limitations of this idea...
www.cambridge.org/core/journal...
BJPS, Volume 76, Issue 2 Table of Contents ‘Evolutionary Transitions in Individuality’, by Pierrick Bourrat ‘Closing the Hole Argument’, by Hans Halvorson & J B Manchak ‘Jury Theorems for Peer Review’, by Marcus Arvan, Liam Kofi Bright & Remco Heesen ‘On the Objectivity of Measurement Outcomes’, by Elias Okon ‘Consensus versus Unanimity: Which Carries More Weight?’, by Finnur Dellsén ‘Mere Recurrence and Cumulative Culture at the Margins’, by Sebastián Murgueitio Ramírez & Nicholas J Teh ‘Normative Formal Epistemology as Modelling’, by Joe Roussos ‘How to Distinguish between Indistinguishable Particles’, by Michael te Vrugt ‘Best Laid Plans: Idealization and the Rationality–Accuracy Bridge’, by Brett Topey ‘What Are the ‘Levels’ in Levels of Selection? ‘, by Markus Eronen & Grant Ramsey
New issue out now! Featuring evolutionary transitions and cumulative culture, hole arguments and jury theorems, Galileo’s ship and best laid plans, distinguishing the indistinguishable, and so much more…
Read it here: www.journals.uchicago.edu/toc/bjps/202...
#philsci #philsky #hps
Excited to be giving a talk tomorrow at the Oxford Philosophy of Physics Seminar!
www.philosophy.ox.ac.uk/event/philos...
Two new papers out today on "determinism" co-authored with the foundations of (a)symmetries dream team: @jimweatherall.bsky.social, Hans Halvorson, and Thomas Barrett. #philsci #philsky
philsci-archive.pitt.edu/24881/
philsci-archive.pitt.edu/24883/
#philsky #philsci
Videos from the workshop on Symmetry and Structure that Clara Bradley and I organized in Irvine in September 2023 are now available online. Some very interesting stuff there! Enjoy!
jamesowenweatherall.com/symmetry-and...
youtube.com/playlist?lis...
"The universe is unknowable even if one were given an all-access pass to every possible observation at every possible place and time -- here, there, past, present, and future."
#physics #philsky #philsci
iai.tv/articles/the...
UC Irvine's Department of Logic & Philosophy of Science earns top spots in latest faculty rankings | Philosophical Gourmet Report’s 2024-25 update places @ucirvine.bsky.social faculty among the top in the English-speaking world for faculty excellence
www.socsci.uci.edu/newsevents/n...
New paper "On Privileged Coordinates and Kleinian Methods" just published online at Erkenntnis (joint work with Thomas Barrett). We investigate senses in which the "privileged coordinates" of a geometric space might have significance.
link.springer.com/article/10.1...
