 As regards the general charge that strong emergence is inexplicable, Gillett maintains that this account provides an intelligible, scientifically informed basis for making sense of strong emergence. As regards the charge of there being no evidence of strong emergence, Gillett suggests that while its reality has not been established empirically, it is seriously proposed by a number of contemporary theorists of complex systems (see  section 5.2  and  section 5.3  below).