id author title date pages extension mime words sentences flesch summary cache txt work_is7fs2y4xfelhiayeomegrjwr4 Adam Caulton Discerning "Indistinguishable" Quantum Systems 2013 27 .pdf application/pdf 10109 1174 76 Of course, it is crucial that the properties and relations used to discern the particles be physical : we cannot All properties and relations should be transparently defined in terms of physical states and operators that correspond to physical magnitudes, as in [the weak projection postulate],6 In Section 4, I propose an alternative relation which will discern fermions physically and weakly, though not categorically. and propose a relation which weakly and physically discerns two particles in any relation that weakly and physically discerns any two particles in an assembly of quantity A, the relation R(A,x,y) discerns particles 1 and 2 weakly, categorically and physically if and only if ∆2Aρ 6= 0, on the assumption of the Lemma 3 For all single-particle quantities A, the relation R′(A,x,y) has physical discerns particles 1 and 2 weakly, categorically and physically; where Q discerns particles 1 and 2 weakly, categorically and physically; where Q ./cache/work_is7fs2y4xfelhiayeomegrjwr4.pdf ./txt/work_is7fs2y4xfelhiayeomegrjwr4.txt