 The priority pluralist’s “fundamental relation” move actually takes two main forms, each of which comes with distinct concerns. One form posits a single irreducibly \(n\)-place relation for \(n\)-particles. Thus Darby (2012: 14) argues that fundamental entanglement relations (unlike spatiotemporal relations and other fundamental external relations) cannot be treated as binary relations, but must be regarded as irreducibly \(n\)-place relation for \(n\)-particles: