This is documentation for Mathematica 6, which was
based on an earlier version of the Wolfram Language.
View current documentation (Version 11.2)
Mathematica Character Name


  • Unicode: 22A5.
  • Alias: Esc uT Esc.
  • 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.