This is a presentation I gave at a 2021 workshop on Identity and Indistinguishability in quantum systems. (The paper based on this talk appears in this publication: "Quantum Haecceity," Phil. Trans. R. Soc. A. 3812022010620220106. http://doi.org/10.1098/rsta.2022.0106 (2023), available as a preprint here: https://arxiv.org/abs/2301.00502). My talk includes a specific scattering example (electron repulsion) in which there … Continue reading Presentation in 2021: critique of the conventional claim that symmetrized quantum states are about “redundancy of description” →