George
Indeed so. The basic logic is very easy to discern (especially if one does not have all the 'baggage'). But then it gets more difficult(!), ie just what can constitute a pysically existent state, which is my phrase to denote that which exists as at any given point in time. We know it is a sequence, because 'it' exists and there is alteration, but what constitutes the 'it'. While that can be generically established (probably with more knowledge), I doubt if we would ever be able to detect it in any given circumstance, because of the speed at which alteration occurs, and the complexity involved in any given circumstance. That is, it is probably impossible to differentiate physical reality to the point where we could defined what occurred as at a point in time, ie the point where there no form of alteration occurred. But that inability should not result in the ditching/overriding of the principles which define how physical reality occurs.
Paul