OF VALUE. 193 cost of all other things remained unaltered, while that of producing gold had been reduced one half. In the very term, exchangeable value, a relative and not an absolute quantity is implied. If gold should have a greater or a less power of purchasing all other things, then all other things would have a greater or less power of purchasing gold. It is impossible to increase the exchangeable value of one set of commodities, withont at the same time diminishing the exchangeable power of the other set of commodities with which the first is compared *.ยป The following propositions may be stated as the results of the investigation in which we have been employed. Simple as they appear, we have seen that it is possible to overlook them. 1. Inasmuch as the term value denotes a relation between two objects, a commodity cannot be said to possess value, or to alter in value, * An Essay on the Production of Wealth, by R. Torrens, Beg