Science is confronted with the problem of that which is, as the real which exists in itself, existing in itself over against the multiplicity of subjective manners of givenness belonging to the particular knowing subject; it is confronted with the question concerning the flux of being in becoming and concerning the conditions of the possibility of the identity of being in becoming, of the identical determinability of an existing real entity as the determinability of intuitively given continuity through the mathematization of continua.