The philosophy of materialism holds that the only thing that exists is matter; that all things are composed of material and all phenomena (including consciousness) are the result of material interactions. In other words, matter is the only substance. As a theory, materialism is a form of physicalism and belongs to the class of monist ontology. As such, it is different from ontological theories based on dualism or pluralism. For singular explanati...
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The philosophy of materialism holds that the only thing that exists is matter; that all things are composed of material and all phenomena (including consciousness) are the result of material interactions. In other words, matter is the only substance. As a theory, materialism is a form of physicalism and belongs to the class of monist ontology. As such, it is different from ontological theories based on dualism or pluralism. For singular explanations of the phenomenal reality, materialism would be in contrast to idealism and to spiritualism.
The view is perhaps best understood in its opposition to the doctrines of immaterial substance applied to the mind historically, famously by René Descartes. However, by itself materialism says nothing about how material substance should be characterized. In practice it is frequently assimilated to one variety of physicalism or another.
Materialism is often associated with reductionism, according to which the objects or phenomena individuated at one...
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