UpTee
\[UpTee]
Alias: uT. Infix relational operator. x y is by default interpreted as UpTee[x, y]. Used in geometry to indicate perpendicular. Used in number theory to indicate relative primality. See The Mathematica Book: Section 3.10.4. See also: \[RightAngle] , \[NotDoubleVerticalBar] , \[DownTee] .