\[PrecedesEqual]
• Infix ordering operator.
• x y is by default interpreted as PrecedesEqual[x, y].
• See Section 3.10.4.
• See also: \[PrecedesSlantEqual] , \[PrecedesTilde] , \[SucceedsEqual] , \[NotPrecedesEqual] .
Usage
\[PrecedesEqual] Notes
y is by default interpreted as PrecedesEqual[x, y]. 
