Unicode: 2958. Infix arrow-like operator. x ⥘ y is by default interpreted as LeftUpVectorBar[x,y]. Extensible character.
Unicode: 21BF. Infix arrow-like operator. x ↿ y is by default interpreted as LeftUpVector[x,y]. Extensible character.
Unicode: 2952. Infix arrow-like operator. x ⥒ y is by default interpreted as LeftVectorBar[x,y]. Extensible character.
Unicode: 21BC. Infix arrow-like operator. x ↼ y is by default interpreted as LeftVector[x,y]. Extensible character.
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: 2276. Infix ordering operator. x ≶ y is by default interpreted as LessGreater[x,y].
Unicode: 226A. Infix ordering operator. x ≪ y is by default interpreted as LessLess[x,y]. Not the same as \[LeftGuillemet].
Unicode: 2A7D. Alias: Esc </ Esc. Infix operator with built-in evaluation rules. x ⩽ y is by default interpreted as LessEqual[x,y].
Unicode: 2272. Alias: Esc <~ Esc. Infix ordering operator. x ≲ y is by default interpreted as LessTilde[x,y].