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Physical causal closure is a metaphysical theory about the nature of causation in the physical realm with significant ramifications in the study of metaphysics and the mind. In a strongly stated version, physical causal closure says that "all physical states have pure physical causes" — Jaegwon Kim , [ 1 ] or that "physical effects have only ...
Causal closure (also referred to as mental causation, causal interactionism or causation) is the metaphysical theory which dictates that every process stems from a cause and expresses consequences of its respective nature. (i.e.: A physical cause initiates a physical process which, in turn, results in a physical consequence.
Jaegwon Kim has argued against non-reductive physicalism on the grounds that it violates the causal closure of the physical, which assumes that physics provides a full explanation of physical events. If mental properties are causally efficacious, they must either be identical to physical properties or there must be widespread overdetermination.
Causal reasoning is the process of identifying causality: the relationship between a cause and its effect.The study of causality extends from ancient philosophy to contemporary neuropsychology; assumptions about the nature of causality may be shown to be functions of a previous event preceding a later one.
The principle, in slightly different iterations, has variously been called causal closure, completeness of the physical, physical closure, and physical comprehensiveness. [2] This has been the foremost argument against interactionism in contemporary philosophy. [7]
The causal closure thesis implies that any mental and biological causes must themselves be physically constituted, if they are to produce physical effects. It thus gives rise to a particularly strong form of ontological naturalism, namely the physicalist doctrine that any state that has physical effects must itself be physical.
This requirement is a necessary and sufficient condition for a system to be causal, regardless of linearity. Note that similar rules apply to either discrete or continuous cases. By this definition of requiring no future input values, systems must be causal to process signals in real time. [2]
A thesis about meaning affects the mind insofar as our thoughts are about things in the world. A common view in the philosophy of mind is that at least certain mental states have intentional content in this sense. For example, one's belief that water is wet has the semantic content of water is wet. The thought is about water and the fact that ...