ks is wealth of the sort we have mentioned (Aristotle, 25-26).
Within the context of the difference between subsistence and exchange, or between property for survival and property signifying wealth, Aristotle identifies three forms of property acquisition. The first form, or subsistence-centered form of property acquisition, then, is the "soundest and properest form" of the acquisitive art, in which any exchange that takes place involves any objects of exchange or barter in performing the practical, instrumental goal or "end" of their existence. Thus for example shoes produced by one party would be exchanged for vegetables produced by another, so that one party would end up with shoes to wear and the other party would end up with vegetables to eat. In the second form, that of exchange, property acquisition includes commerce (mainly shipping trade), investment, and skilled and unskilled services provided for hire. In this form, the objects of exchange are not necessarily to be used for their natural function or "end" but become a
...