He then drew precise distinctions and arrived at what he saw as correct principles.

In practice, however, it is difficult to make any precise distinction between a word such as "walking" and a general name such as "man."

All of the above are just rough descriptions; the precise distinctions vary from language to language, and are often quite complex.

Although the precise distinction between research and private study has not historically been important, modern case law states that there is a difference.

These matters are subtle and difficult, and the technically precise distinctions might not always have immediate practical consequences.

However, the precise distinction is not universally agreed.

But Chris Oldi pressed him to make a more precise logical distinction.

A precise distinction between "new" and "used" assets becomes more difficult to draw.

And many counties have both urban and rural characteristics, so that drawing precise distinctions is impossible.

The precise distinction between measurement error and mistakes is not settled and varies by country.