Butifthiscauseofincompletenessbeborneinmind，socialsegregationswillbeseentoconformtothesameprincipleasallothersegregations。§169。Canthegeneraltruththusvariouslyillustratedbededuced
fromthepersistenceofforte，incommonwithforegoingtruths？Probably
theexpositionatthebeginningofthechapterwillhaveledmostreaderstoconcludethatitcanbesodeduced。Theabstractpropositionsinvolvedarethese:——First，thatlikeunits，
subjecttoauniformforcecapableofproducingmotionsinthem，willbe
movedtolikedegreesinthesamedirection。Second，thatlikeunitsifexposed