It's easy to show that a Superposition does NOT imply that a system 
represented by a linear sum of a pure set of basis vectors, is in all of 
those states simultaneusly.This follows from the fact that the WF is an 
element of a vector space, a Hilbert space, and in vector spaces there is 
no unique set of basis vectors. IOW, any set of basis vectors can represent 
the WF of a system, and if we claim the system is in all states of some 
superposition, it must also be in all states of any other superposition. 
And every set of basis vectors is equivalent to, and indistinguishable from 
any other set of basis vectors. This shows that Schrodinger could have 
denied the usual interpretation of the WF as a superposition where the 
system it represented could be interpreted as being in all pure states in 
its sum simultaneously, without constructing his Cat experiment. He simply 
had to remind his colleagues that the set of basis vectors in a vector 
space is not unique. AG

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