@inbook {6647, title = {Symmetry and Antisymmetry in the definition of syntactic operations: Merge and Labels}, booktitle = {The importance of Being called Ernesto. Reference, Truth and Logical Form}, year = {2017}, pages = {279-298}, publisher = {Padova University Press}, organization = {Padova University Press}, edition = {A. Bianchi, Morato and G. Spolaor}, address = {Padova}, author = {Caterina Donati} }