Unicode: 22EB. Infix ordering operator. x ⋫ y is by default interpreted as NotRightTriangle[x,y].
Unicode: 22E2. Infix set relation operator. x ⋢ y is by default interpreted as NotSquareSubsetEqual[x,y].
Unicode: F42E. Infix set relation operator. x y is by default interpreted as NotSquareSubset[x,y].
Unicode: 22E3. Infix set relation operator. x ⋣ y is by default interpreted as NotSquareSupersetEqual[x,y].
Unicode: F42F. Infix set relation operator. x y is by default interpreted as NotSquareSuperset[x,y].
Unicode: 2288. Alias: Esc !sub= Esc. Infix set relation operator. x ⊈ y is by default interpreted as NotSubsetEqual[x,y].
Unicode: 2284. Alias: Esc !sub Esc. Infix set relation operator. x ⊄ y is by default interpreted as NotSubset[x,y].
Unicode: F42D. Infix ordering operator. x y is by default interpreted as NotSucceedsEqual[x,y].
Unicode: 2281. Infix ordering operator. x ⊁ y is by default interpreted as NotSucceeds[x,y].
Unicode: 22E1. Infix ordering operator. x ⋡ y is by default interpreted as NotSucceedsSlantEqual[x,y].