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Property Dualism

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This essay assesses property dualism, a theory of mind. It proclaims the existence of a single, physical substance (unlike Cartesian dualism), but argues that this single substance has two potential properties: physical and mental states that are not reducible. The idea that mental states are non-reducible properties of brain states is the central tenant of a theory of mind called property dualism. However, before we can assess the theory we must be aware that the question assumes the existence of mental states and as such we cannot answer this question from some perspectives (e.g. eliminative materialism) Property dualism proclaims the existence of a single, physical substance (unlike Cartesian dualism), but argues that this single …show more content…

A more damaging attack is to question whether property dualism does indeed solve the problem of location associated with substance dualism. Just because mental properties supervene physical properties does not explain where they are, just how they interact with physical properties. Furthermore if mental states are properties of physical matter in the same way that physical states are, then how is it so that we can scientifically measure physical properties, but not the mental sates that they give rise to? It seems highly problematic for property dualism to claim that there are facts that cannot be measured scientifically; and this issue also renders the theory unfalsifiable. To continue this thread, what is different between physical properties in my brain that supposedly give rise to mental states and the physical properties in my washing machine that apparently do not? In response to this issue, complexity has been invoked as this can give rise to emergent properties. However, if complexity is used as differentiating property between systems with and without mental states, can we not point to other systems with complexity rivalling that of the human mind and ask if they experience mental states? Maybe the internet experiences mental states, or weather systems? In addition we must be entitled to ask at what point a biological system becomes sufficiently complex to experience mental states. Would this make a

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