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Galilei invariance and the welcher Weg problem
Galilei invariance which-way problem anti-reductionism
2016/6/15
If it is possible to detect the path of an atom in a double-slit atom interferometer, then interference will not be observed even if path detection causes no change in the atom's momentum. This fact w...
Pragmatists and Purists on CPT Invariance in Relativistic Quantum Field Theories
quantum field theory CPT theorem causal perturbation theory
2016/6/12
Philosophers of physics are split on whether foundational issues in relativistic quantum field theory (RQFT) should be framed within pragmatist approaches, which trade mathematical rigor for the abili...
Relevance,not Invariance,Explanatoriness,not Manipulability:Discussion of Woodward on Explanatory Relevance
explanation Woodward invariance causal relations causal explanation depth explanatory relevance manipulability control
2016/5/30
In Woodward's causal model of explanation, explanatory information is information that is relevant to manipulation and control and that affords to change the value of some target explanandum variable ...
On the invariance of the speed of light
speed of light special relativity minimum observable interval of space and time (MOIST) relativity without light discrete space-time
2016/5/30
It has been argued that the existence of a minimum observable interval of space and time (MOIST) is a model-independent result of the combination of quantum field theory and general relativity. In thi...
Conventional and Objective Invariance: Debs and Redhead on Symmetry
Objectivity invariance conventions symmetry
2009/7/16
This review is a critical discussion of three main claims in Debs and Redhead’s thought-provoking book Objectivity, Invariance, and Convention. These claims are: (i) Social acts impinge upon formal as...
Reductionism, Explanatory Pluralism and Invariance
Invariance Explanatory Pluralism Reductionism
2008/4/22
I compare two competing positions regarding relations between sciences: reductionism and explanatory pluralism. I argue that reductionism is not warranted by evidence from scientific practice, but on ...