id author title date pages extension mime words sentences flesch summary cache txt work_ejw2rd4beng2bkx5cbtill2ouq Marius Stan Huygens on Inertial Structure and Relativity 2016 22 .pdf application/pdf 10526 887 67 First I elucidate Huygens's term 'relative motion' and locate it in the taxonomy of early modern positions ðsecs. Hence, 'motion is absolute' was the thesis that any body has a true 5 real 5 proper 5 physical Thus, 'motion is relative' meant that bodies have no true 5 absolute 5 So, bodies have unique true, or real, or 'absolute', motions whereby they either move truly or rest but not both. Huygens must explain which relative motions count as inertial paths, so that 7. Relative to a set H of ðsmoothlyÞ accelerating 'bodies at mutual rest', a force-free motion, referred to bodies at rest relative to each other, one can at last parts rotate relative to an H-frame or set of 'bodies at mutual rest'. I take Huygens to claim that rotation so analyzed is relative L-motion, that resources Huygens uses to anchor that structure, that is, the notion of 'bodies at mutual rest' and his two kinds of relative motion. ./cache/work_ejw2rd4beng2bkx5cbtill2ouq.pdf ./txt/work_ejw2rd4beng2bkx5cbtill2ouq.txt