Ellerman, David (2014) Partitions and Objective Indefiniteness in Quantum Mechanics. [Preprint]

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Abstract
Classical physics and quantum physics suggest two metaphysical types of reality: the classical notion of a objectively definite reality with properties "all the way down," and the quantum notion of an objectively indefinite type of reality. The problem of interpreting quantum mechanics (QM) is essentially the problem of making sense out of an objectively indefinite reality. These two types of reality can be respectively associated with the two mathematical concepts of subsets and quotient sets (or partitions) which are categorytheoretically dual to one another and which are developed in two dual mathematical logics, the usual Boolean logic of subsets and the more recent logic of partitions. Our sensemaking strategy is "follow the math" by showing how the mathematics of set partitions can be transported in a natural way to complex vector spaces where it yields the mathematical machinery of QM. And then we show how the machinery of QM can be transported the other way down to setlike vector spaces over ℤ₂ yielding a rather fulsome "toy" or pedagogical model of "quantum mechanics over sets." In this way, we try to make sense out of objective indefiniteness and thus to interpret quantum mechanics.
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Item Type:  Preprint  

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Keywords:  objective indefiniteness, quantum mechanics, partitions, Boolean logic, quantum mechanics over sets  
Subjects:  General Issues > Laws of Nature Specific Sciences > Mathematics General Issues > Models and Idealization Specific Sciences > Physics > Quantum Mechanics Specific Sciences > Physics > Symmetries/Invariances 

Depositing User:  David Ellerman  
Date Deposited:  11 Jan 2014 16:04  
Last Modified:  11 Jan 2014 16:04  
Item ID:  10217  
Subjects:  General Issues > Laws of Nature Specific Sciences > Mathematics General Issues > Models and Idealization Specific Sciences > Physics > Quantum Mechanics Specific Sciences > Physics > Symmetries/Invariances 

Date:  January 2014  
URI:  http://philsciarchive.pitt.edu/id/eprint/10217 
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