In the first place, this article chases the idea of, in the path of the Derridean philosophy, to consider woman as the introjection of an alterity that differentiates her with herself more than with the cultural masculine imaginary to which she is exposed.Then, will be tried to think about women as the impossible, possessor off an unrevealable secret that protects any totalitarian attempt. Thirdly, work will be done by the neologism of phallogocentrism understanding it as the transcendental, partial, and arbitrary production of meanings. Finally, some general ideas will be circulated that aim, from Derridean readings of Nietzsche, to understand woman as writing.