If two straight lines are at an angle of 90° to each other, then both straight lines are perpendicular to each other. This perpendicular symbol consists of a horizontal bar and a vertical bar.
| Properties | Value |
| Symbol | Perpendicular |
| Package | Default |
| Command | \perp |
| Argument | No |
| Example | \perp → ⊥ |
\documentclass{article}
\begin{document}
\[ p \perp q \]
\[ a \: \bot \: b \]
\end{document}Output :
If you look at the program above, you can see that the \prep command is used to represent perpendicular symbols. And \: has been used for space.
Many times, not perpendicular symbols are used, in which case the \not\prep command is used.
\documentclass{article}
\begin{document}
\[ p \not\perp q \]
\end{document}Output :
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