Abstract

Robin Dembroff (Real Talk about the Metaphysics of Gender, 2018) believes that ‘non-binary’ is a social kind. I have my doubts about this, but if it is a social kind, then it is a very special one. The membership conditions of the social kind ‘non-binary’ are only accessible to non-binary persons. They establish and police their own membership conditions (Dembroff 2018: 36f.): ‘Individuals are granted authority over their gender kind membership.’ So, if this is indeed a ‘social kind’, then it is a highly unusual one.