We have to start from 'everyday, average' Dasein.
Des leaves out the sum.
He reifies the 'Subject'. 79 being-in is an existential . 84 Dasein, understood ontologically , is Care the environment is a structure which even biology as a positive science can never find. Best called 'equipment'. On the contrary, only by the circumspection with which one takes account of things in farming, is the south wind discovered in its Being.