From its etymological roots, sex is related to a scission, Latin for sectus, secare, meaning "to divide or cut." Therefore, regardless of the various studies applied to defining sex as inscribed by discursive acts, i.e. merely a 'performatively enacted signification, ' there is something more to sex than just a social construction or an aprioristic substance. Sex is irreducible to meaning or knowledge. This is why psychoanalysis cannot be formulated...