Definition:Directed Line

Definition

A directed line is a line along which one direction is specified as being positive, while the opposite direction is specified as being negative.

Also see

• Results about directed lines can be found here.

Sources

• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): directed line
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): directed line