Abstract
Rosi Braidotti's The Posthuman is intent on ‘updating critical theory for the third millennium’. Indeed, Braidotti repeatedly stresses that the aim of her book is to develop an affirmative form of posthumanist critical theory which, by providing creative alternatives to current arrangements, will allow us to better face various contemporary socio-political challenges. This review essay argues, however, that the philosophical position which Braidotti's book develops is unsustainable, and that it does not provide us with the kind of basis for affirmative forms of critical theory and political practice which she suggests it does. Specifically, it argues that her philosophical framework results in persistent theory/praxis inconsistencies and is therefore lacking in ‘seriousness’. In addition, it will claim that these persistent theory/praxis inconsistencies reveal that her relation to ontological verticality remains unresolved.