Strictly Between

Let P=(P,<=) be a partially ordered set, and let x,y,z in P. If x<=y<=z, then y is said to be between x and z. If y is between x and z and y not in {x,z}, then y is strictly between x and z.

See also


This entry contributed by Matt Insall (author's link)

Explore with Wolfram|Alpha

Cite this as:

Insall, Matt. "Strictly Between." From MathWorld--A Wolfram Web Resource, created by Eric W. Weisstein.

Subject classifications