1.   As the name implies, the sole proprietorship is owned and operated by a single individual.

2.   Equipment of this kind is not something a single individual could afford.

3.   He felt that to have any chance of preserving the family tradition, a single individual must inherit.

4.   We begin by looking at power relationships, not at the absolute power of any single individual.

5.   They were leery about investing in a company controlled by a single individual.

6.   For it often happens that in such discussions, in order to promote the common good, talk has nevertheless centred on a single individual.

7.   Among third degree relatives, the single affected individual gave a prevalence similar to that in the general population.

8.   First, the company is often owned by a single individual or a group of connected individuals who are advised by the same adviser.

9.   As he puts it, performative speech can never be the unilateral act of a single individual.

10.   Also, negotiating with a board seems trickier than negotiating with a single individual.