“…In contrast to Zwart (2005Zwart ( , 2014aZwart ( , 2014b, who unifies precedence with (asymmetric) Merge, I assume that linear order is imposed by the components of externalisation (the SM interface) following evidence discussed by Chomsky (2012) and Berwick & Chomsky (2011). Further, when Bruening stresses that we only see forward command and not backward command, while this may be true, there is no conceptual reason why we need to build this notion into narrow syntax when it is likely an SM interface property.…”