it is concerned in its being about this very being

It is concerned in its being about this very being (es geht in seinem Sein   um dieses Sein selbst  , the formally indicative formula for Seinsverständnis   usually said of dative Dasein  ), 12, 42, 52f, 84, 104, 123, 133-135, 141, 143, 153, 153fn, 179,191-193, 231f, 235, 250, 257, 263 (ownmost being), 287, 289, 297, 313, 322, 325, 406; the being of this concern is in each case my own, 42. See also mineness; understanding of being (BT)