Unicode: 22DA. Infix ordering operator. x ⋚ y is by default interpreted as LessEqualGreater[x,y].
Unicode: 2266. Infix ordering operator. x ≦ y is by default interpreted as LessFullEqual[x,y].
Unicode: 2A7D. Alias: Esc </ Esc. Infix operator with built-in evaluation rules. x ⩽ y is by default interpreted as LessEqual[x,y].
Unicode: 227C. Infix ordering operator. x ≼ y is by default interpreted as PrecedesSlantEqual[x,y].
Unicode: 22B5. Infix ordering operator. x ⊵ y is by default interpreted as RightTriangleEqual[x,y].
Unicode: 2291. Infix set relation operator. x ⊑ y is by default interpreted as SquareSubsetEqual[x,y].
Unicode: 2292. Infix set relation operator. x ⊒ y is by default interpreted as SquareSupersetEqual[x,y].
Unicode: 227D. Infix ordering operator. x ≽ y is by default interpreted as SucceedsSlantEqual[x,y].
Unicode: 2245. Alias: Esc ~== Esc. Infix similarity operator. x ≅ y is by default interpreted as TildeFullEqual[x,y]. Used in mathematics to indicate isomorphism, congruence ...
GreaterEqualLess[x, y, ...] displays as x \[GreaterEqualLess] y \[GreaterEqualLess] ....