How else can we explain :
Imprimis : That a light ray has different lengths for different observers. (cf. B.)
ii. That the length of a light ray is indeterminate? - both gigantic, and nothing, within the Einstein- train embankment carriage : (cf. B.)
iii. That a light ray can be both bent and straight. Bent for one observer, and straight for another : (cf. C.)
iv. That a light rays "bends" mid-flight in an effort to be consistent with an Absolute event which lies in the future : (cf. C.)
v. That these extraordinary things -- this extraordinary behaviour, (including the "constancy of speed") are so that the reality is consistent among the observers -- in the future. (cf. D, B, C)
vi. That light may proceed at different rates to the same place--- wholly on account of the reality at that place having to be consistent among the observers : (cf. D, A)
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A. --https://www.researchgate.net/post/Is_there_a_misspeak_in_Einsteins_train_and_embankment_thought_experiment_as_described_by_Einstein_in_the_1952_edition_of_his_book
B. --
https://www.researchgate.net/post/Is_the_length_of_a_light-ray_indeterminate_Is_it_possible_that_the_same_ray_can_have_different_lengths_in_a_stationary_and_a_moving_frame
C.--
https://www.researchgate.net/post/Can_a_light-ray_be_both_bent_and_straight---bent_in_one_frame_but_straight_in_another--moving_uniformly_with_respect_to_the_former
D.--
http://dx.doi.org/10.13140/RG.2.2.23812.81281/1