id author title date pages extension mime words sentences flesch summary cache txt work_arigewxpkreyvexexg75qkifsu VESSELIN PETKOV Simultaneity, Conventionality and Existence 1989 8 .pdf application/pdf 3856 461 75 we observe simultaneously at a given moment of time have in actual fact taken event R (reflecting the light ray from clock B) is simultaneous with event M. this case space is orthogonal to the world lines of the clocks and the velocity of relation to A and B) of the world line of the light ray propagating from clock A or in anisotropic space-time, they arrive simultaneously at the central clock. to events M and N (lying on the world lines of the points at which the light rays space-time, the light signals arrive simultaneously with event C2. present events are considered as existing), which means that simultaneity is three-dimensional world (a three-dimensional space-like slice of the Minkowski world—the present), the above-mentioned unacceptable conventionality as regards what exists follows from the conventionality of simultaneity. and with isotropic space-time) the back and forth velocity of light is one and ./cache/work_arigewxpkreyvexexg75qkifsu.pdf ./txt/work_arigewxpkreyvexexg75qkifsu.txt