Unicode: 22EB. Infix ordering operator. x ⋫ y is by default interpreted as NotRightTriangle[x,y].
Unicode: F42E. Infix set relation operator. x y is by default interpreted as NotSquareSubset[x,y].
Unicode: F42F. Infix set relation operator. x y is by default interpreted as NotSquareSuperset[x,y].
Unicode: 22E9. Infix ordering operator. x ⋩ y is by default interpreted as NotSucceedsTilde[x,y].
Unicode: 2249. Alias: Esc !~~ Esc. Infix similarity operator. x ≉ y is by default interpreted as NotTildeTilde[x,y].
NotCupCap[x, y, ...] displays as x \[NotCupCap] y \[NotCupCap] ....
NotGreaterGreater[x, y, ...] displays as x \[NotGreaterGreater] y \[NotGreaterGreater] ....
NotGreaterLess[x, y, ...] displays as x \[NotGreaterLess] y \[NotGreaterLess] ....
NotGreaterTilde[x, y, ...] displays as x \[NotGreaterTilde] y \[NotGreaterTilde] ....
NotLeftTriangle[x, y, ...] displays as x \[NotLeftTriangle] y \[NotLeftTriangle] ....