والعرض ما لا يقوم بذاته، بل بغيره
An accident does not subsist in itself; it subsists in another.
Subsisting in itself does not mean independence from God for existence. It describes the ontological difference between a subject that does not require a bearer of its own kind and an attribute that requires a substratum.
The whiteness of a body is not, on this definition, another self-subsisting material body. The body is the bearer; its whiteness is an accident subsisting in that bearer.
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Accidents: Definition, Categories and the Beginning of the Origination Argument
والعرض ما لا يقوم بذاته، بل بغيره
An accident does not subsist in itself; it subsists in another.
Subsisting in itself does not mean independence from God for existence. It describes the ontological difference between a subject that does not require a bearer of its own kind and an attribute that requires a substratum.
The whiteness of a body is not, on this definition, another self-subsisting material body. The body is the bearer; its whiteness is an accident subsisting in that bearer.