While in a sense we call anything one if it is a quantity and continuous, in a sense we do not unless it is a whole, i.e. unless it has unity of form; e.g.
Gainera, zentzu batean, bat dela esaten dugu edozertaz, honek kantitatea izanik, jarraian ematen bada, baina beste zentzu batean ez, oso bat osatzen ez badu, hots, espezie aldetik bat ez bada;