He commences with this definition of property, worthy of Sganarelle: "Property is the right by which a thing is one's own." Literally translated: Property is the right of property.
After getting entangled a few times on the subjects of will, liberty, and personality; after having distinguished between IMMATERIAL-NATURAL property, and MATERIAL-NATURAL property, a distinction similar to Destutt de Tracy's of innate and acquired property,--M.

Joseph Dutens concludes with these two general propositions: 1.

Property is a natural and inalienable right of every man; 2.

Inequality of property is a necessary result of Nature,--which propositions are convertible into a simpler one: All men have an equal right of unequal property.
He rebukes M.de Sismondi for having taught that landed property has no other basis than law and conventionality; and he says himself, speaking of the respect which people feel for property, that "their good sense reveals to them the nature of the ORIGINAL CONTRACT made between society and proprietors." He confounds property with possession, communism with equality, the just with the natural, and the natural with the possible.

Now he takes these different ideas to be equivalents; now he seems to distinguish between them, so much so that it would be infinitely easier to refute him than to understand him.