“…This, despite first appearances, is a far from trivial question to address and has been the subject of quite considerable debate and interest for many decades. De Muynck [20], Berry and Robbins [21], Ginsberg et al [22] (see also Fleischhauer [23] for a very readable overview of Ginsberg et al's work), Omar [24], and Dieks and co-workers [25,26], amongst many others, have considered and explored the important issue of how indistinguishability and quantum statistics are intrinsically coupled. We shall not delve into the detailed arguments -be they physical, philosophical, or semantic in scope -and instead restrict ourselves to the following relatively simple, although certainly not "universal", definitions.…”