Summary
Dominique Pagani returns several times, from 2015 to 2021, to a text by Planck that he says he read in a school anthology, without finding the exact reference1. In it Planck defines a physical law as a constant relation between measurable quantities, then asks whether physical laws exist: nothing guarantees that they will hold tomorrow, or that nature will not one day legislate otherwise23. For Dominique Pagani, this is a move from essence to existence4, and he finds in it Hume's critique5. He specifies that Planck does not preach scepticism: he broadened the field of knowledge, but laws hold as long as they work6. He also cites him as the founder of quantum theory, in the first years of the twentieth century, whose constant h is present in almost all of current physics; in his view, quantum physics truly exists since this constant was defined numerically7. Finally, he links him to the break that continues after Einstein.
- 1#2 Benefits and harms of amnesia…23 Oct 2020 · 41:26
- 2#1.3 Between crisis and war: philosophising?14 Sept 2015 · 1:16:26
- 3#9.17 The geopolitical metaphor: Planck, Descartes, Clouscard17 Mar 2021 · 14:07
- 4#2 Benefits and harms of amnesia…23 Oct 2020 · 38:27
- 5#1.5 Between crisis and war: philosophising?10 Dec 2015 · 33:39
- 6#9.17 The geopolitical metaphor: Planck, Descartes, Clouscard17 Mar 2021 · 24:58
- 7#9.14 How can sciences of history be real?5 Feb 2021 · 1:34:01
Summary produced automatically from 14 of the passages below, to be reviewed; the numbers link to the moment in the session.
Cycle 9.2 · 17 Mar 2021#9.17 The geopolitical metaphor: Planck, Descartes, Clouscard- 5:28Founder of quantum theory; his constant h is present in almost all of current physics.
- 14:07Defines physical law as a fixed relation between measurable quantities, then admits one cannot presume the existence or permanence of laws.
- 24:58Does not preach skepticism: he broadened the field of knowledge, but laws hold as long as they work.
Cycle 1 · 10 Dec 2015#1.5 Between crisis and war: philosophising?- 28:23Having defined the physical law, he asks whether physical laws exist.
- 33:39Nothing forbids nature from legislating differently one day; he rediscovers Hume's critique.
Cycle 9.1 · 23 Oct 2020#2 Benefits and harms of amnesia…- 38:27Having defined the physical law, he asks whether physical laws exist: one moves from essence to existence.
- 41:26Text read in a school anthology, exact reference untraceable.
Cycle 3 · 1 Aug 2017#3.5 From Ulysses to Daedalus- 1:22:10A physical law is a constant relation between variables, but nothing forbids nature from changing it.
Cycle 1 · 14 Sept 2015#1.3 Between crisis and war: philosophising?- 1:16:26Defines physical law as a constant relation between variables, then asks whether it exists at all: nothing guarantees it will hold tomorrow.
Cycle 13 · 2 Sept 2024Clouscard: The metamorphoses of class struggle- 1:42:16Cited with regard to what is legal within being.
Cycle 9.2 · 28 Apr 2021#9.20 From signal to sign: Einstein- 1:03:59Associated with quantum theory, in the first fifteen years of the twentieth century.
Cycle 9.2 · 5 Feb 2021#9.14 How can sciences of history be real?- 1:34:01Quantum physics has truly existed since its constant was numerically defined.
Cycle 9.2 · 7 Jan 2021#9.11 How can sciences of history be real?- 10:28Cited for quantum theory.
Cycle 6 · 23 Oct 2019#6.1 The logic of the subject- 1:37:40Continues the rupture after Einstein.