NotRightTriangleEqual
\[NotRightTriangleEqual]
Infix ordering operator. x y is by default interpreted as NotRightTriangleEqual[x, y]. See The Mathematica Book: Section 3.10.4. See also: \[NotRightTriangle] , \[NotRightTriangleBar] , \[NotLeftTriangleEqual] , \[RightTriangleEqual] .