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Passage of Time in a Planck Scale Rooted Local Inertial Structure
Flow of time Temporal Transience
2008/4/22
It is argued that the `problem of time' in quantum gravity necessitates a refinement of thelocal inertial structure of the world, demanding a replacement of the usual Minkowski lineelement by a 4+2n d...
Pearson's wrong turning: against statistical measures of causal efficacy
causation causal efficacy statistics
2008/4/22
Standard statistical measures of strength of association, although pioneered by Pearson deliberately to be acausal, nowadays are routinely used to measure causal efficacy. But their acausal origins h...
While empirical symmetries relate situations, theoretical symmetries relate models of a theory we use to represent them. An empirical symmetry is perfect if and only if any two situations it relates s...
A complete reappraisal of the philosophical meaning of Everett's interpretation of quantum mechanics is carried out, by analysing carefully the role of the concept of "observer" in physics. It is show...
Recent developments in cosmology indicate that every history having a nonzero probability is realized in infinitely many distinct regions of spacetime. Thus, it appears that the universe contains infi...
Philosophie de la physique
philosophy physics
2008/4/22
This document (in French) is an introduction to the philosophy of physics that I wrote for Anouk Barberousse (ed.), Manuel des Issambres, Gallimard, to be published in 2006.
Photons uncertainty removes Einstein-Podolsky-Rosen paradox
Einstein-Podolsky-Rosen paradox locality
2008/4/22
Einstein, Podolsky and Rosen (EPR) argued that the
quantum-mechanical probabilistic description of physical reality
had to be incomplete, in order to avoid an instantaneous action
between distant m...
Physical Models and Fundamental Laws: Using One Piece of the World to Tell About Another (Pavia MBR'01 version)
Models similarity laws analogical reasoning
2008/4/22
In this paper I discuss the relationship between model, theories, and laws in the practice of experimental scale modeling. The methodology of experimental scale modeling, also known as physical simila...
Physical Relations or Functional Relations ?A non-metaphysical construal of Rovelli’s Relational Quantum Mechanics
Quantum mechanics relational interpretation
2008/4/22
Rovelli’s RQM is first characterized by contrast with both Everett’s and Bohr’s interpretations of quantum mechanics. Then, it is shown that a basic difficulty arises from the choice of formulating RQ...
It is shown that the Hilbert-Bernays-Quine principle of identity of indiscernibles applies uniformly to all the contentious cases of symmetries in physics, including permutation symmetry in classical ...
This is the table of contents and first chapter of Physics Meets Philosophy at the Planck Scale (Cambridge University Press, 2001), edited by Craig Callender and Nick Huggett. The chapter discusses th...
Platonism in classical logic versus formalism in the proposed non-Aristotelian finitary logic
foundations of mathematics foundations of quantum mechanics
2008/4/22
The main thesis of this paper is that Platonism is inherent in classical infinitary reasoning and that strict formalism inevitably leads one to the author's non-Aristotelian finitary logic (NAFL) prop...
In his paper ``What is Structural Realism?'' James Ladyman drew a distinction between epistemological structural realism and metaphysical (or ontic) structural realism. He also drew a suggestive analo...
Popper, Kuhn, Lakatos, and Aim-Oriented Empiricism
Scientific rationality Popper Kuhn Lakatos
2008/4/22
In this paper I argue that aim-oriented empiricism (AOE), a conception of natural science that I have defended at some length elsewhere, is a kind of synthesis of the views of Popper, Kuhn and Lakatos...
Population genetics attempts to measure the influence of the causes of evolution, viz., mutation, migration, natural selection, and random genetic drift, by understanding the way those causes change t...