After Freud's later development of the theory of the Oedipus complex this normative developmental trajectory becomes formulated in terms of the child's renunciation of incestuous desires under the fantasised threat of (or phantasised fact of, in the case of the girl) castration. The "dissolution" of the Oedipus complex is then achieved when the child's rivalrous identification with the parental figure is transformed into the pacifying identifications of the Ego ideal which assume both similarity and difference and acknowledge the separateness and autonomy of the other.