| A. A substance is a kind of stuff | B. A substance is whatever is independent | ||
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C. Substance is anything you can actually see |
D. Substance is extension | ||
B. seems right as a statement of Descartes' view, though a lot of interest focusses on what is meant by 'independent' and its significance.
D. Descartes thought extension was the 'essence' of corporeal substance.
C. Mind was one type of substance for Descartes, and since you can't see minds he can't have thought this.
A. This is more like what we mean by substance today - you can put either 'substance' or 'stuff' for x in the sentence: 'it was a gooey kind of x.'
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