David Bourget (Western Ontario)
David Chalmers (ANU, NYU)
Rafael De Clercq
Jack Alan Reynolds
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In The Principle of Relativity. Dover. 35-65 (1923)
It is known that Maxwell’s electrodynamics—as usually understood at the present time—when applied to moving bodies, leads to asymmetries which do not appear to be inherent in the phenomena. Take, for example, the reciprocal electrodynamic action of a magnet and a conductor. The observable phenomenon here depends only on the relative motion of the conductor and the magnet, whereas the customary view draws a sharp distinction between the two cases in which either the one or the other of these bodies is in motion. For if the magnet is in motion and the conductor at rest, there arises in the neighbourhood of the magnet an electric ﬁeld with a certain deﬁnite energy, producing a current at the places where parts of the conductor are situated. But if the magnet is stationary and the conductor in motion, no electric ﬁeld arises in the neighbourhood of the magnet. In the conductor, however, we ﬁnd an electromotive force, to which in itself there is no corresponding energy, but which gives rise—assuming equality of relative motion in the two cases discussed—to electric currents of the same path and intensity as those produced by the electric forces in the former case. Examples of this sort, together with the unsuccessful attempts to discover any motion of the earth relatively to the “light medium,” suggest that the phenomena of electrodynamics as well as of mechanics possess no properties corresponding to the idea of absolute rest. They suggest rather that, as has already been shown to the ﬁrst order of small quantities, the same laws of electrodynamics and optics will be valid for all frames of reference for which the equations of mechanics hold good.1 We will raise this conjecture (the purport of which will hereafter be called the “Principle of Relativity”) to the status of a postulate, and also introduce another postulate, which is only apparently irreconcilable with the former, namely, that light is always propagated in empty space with a deﬁnite velocity c which is independent of the state of motion of the emitting body..
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Ben Almassi (2009). Trust in Expert Testimony: Eddington's 1919 Eclipse Expedition and the British Response to General Relativity. Studies in History and Philosophy of Science Part B 40 (1):57-67.
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A. Baltas & K. Gavroglu (1980). A Modification of Popper's Tetradic Schema and the Special Relativity Theory. Journal for General Philosophy of Science 11 (2):213-237.
Andrew Warwick (1992). Cambridge Mathematics and Cavendish Physics: Cunningham, Campbell and Einstein's Relativity 1905–1911 Part I: The Uses of Theory. [REVIEW] Studies in History and Philosophy of Science Part A 23 (4):625-656.
James Robert Brown (1987). Einstein's Brand of Verificationism. International Studies in the Philosophy of Science 2 (1):33 – 54.
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