Documentation Publicon Reference Special Characters
LeftTriangle
\[LeftTriangle]
• Infix ordering operator. • x y is by default interpreted as LeftTriangle[x, y]. • Used in pure mathematics to mean "normal subgroup of".• See also: \[LeftTriangleEqual] , \[LeftTriangleBar] , \[LeftArrow] , \[NotLeftTriangle] , \[RightTriangle] , \[EmptyUpTriangle] , \[FilledUpTriangle] .
\[LeftTriangle]
y is by default interpreted as LeftTriangle[x, y]. 