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Laws, Symmetry, and Symmetry Breaking; Invariance, Conservation Principles, and Objectivity
symmetry invariance symmetry breaking
2008/4/22
Given its importance in modern physics, philosophers of science have paid surprisingly little attention to the subject of symmetries and invariances, and they have largely neglected the subtopic of sy...
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 ...
The paper examines critically some recently published views by Ramsey on the contrast between ab initio and parametrized theories. I argue that, all things being equal, ab initio calculations are inde...
The Fundamental Principles of Existence and the Origin of Physical Laws
ontological principles of reality reduction of biology to physics
2008/4/21
In this essay the ontological structure of reality is explored. The question of reducibility of biology to physics is considered in the context of their ultimate principles. It is shown that biology i...
Do the Causal Principles of Modern Physics Contradict Causal Anti-Fundamentalism?
Anti-Fundamentalism Modern Physics Contradict
2008/4/11
In Norton(2003), it was urged that the world does not conform at a fundamental level to some robust principle of causality. To defend this view, I now argue that the causal notions and principles of m...