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|B. Russell, ABC of Relativity Theory 38
Time/Concurrence/RT/Russell: concurrence only has a meaning with respect to an observer. - Each clock measures its own time correctly. - The own time does not provide a measure of bodies moving relative to it. - From the perspective of accelerated electrons their own mass remains equal. - For them, the observer becomes thicker or thinner. - Russell: We must look at the distances between events, not between bodies.
Concurrence/Russell: comes into play in relation with congruence.
Time/Place/RT/Russell: There is no same time for different observers. - That’s why we always need to provide the time and place for an event. - Event instead of body: - = observed body.
Time/Time dilation/RT/SR/Russell: events ti which the traveler is moving seem to him like things of the past. - The events lying behind him in the future. - For the pbserver standing on the railway line they seem to be in the present.
Power/RT/Russell: no longer fundamental concept of dynamics - more like "sunrise". - The same force applied to a heavy body does not cause as much acceleration as a lighter one.
"During"/RT/Physics/logical form/Russell: multiplication with time. - ((s) Division: E.g. speed: would not be referred to as "during" - In contrast, "during": E.g. Maintained speed times a time - result: distance traveled -> acceleration. Product sec: here multiplication comes in again. - the dact that a particle follows a geodesic is then the "principle of least effect".
B. Russell/A.N. Whitehead
Principia Mathematica Frankfurt 1986
Das ABC der Relativitätstheorie Frankfurt 1989
Probleme der Philosophie Frankfurt 1967
Die Philosophie des logischen Atomismus
Eigennamen, U. Wolf (Hg), Frankfurt 1993
Wahrheit und Falschheit
Wahrheitstheorien, G. Skirbekk (Hg), Frankfurt 1996