\[NestedGreaterGreater] (Mathematica Character Name)

Unicode: 2AA2. Infix ordering operator. x ⪢ y is by default interpreted as NestedGreaterGreater[x,y].

\[NestedLessLess] (Mathematica Character Name)

Unicode: 2AA1. Infix ordering operator. x ⪡ y is by default interpreted as NestedLessLess[x,y]. Used to denote "much less than". Occasionally used in measure theory to denote ...

\[NeutralSmiley] (Mathematica Character Name)

Unicode: F722. Alias: Esc :-| Esc. Letter-like form.

\[NotCongruent] (Mathematica Character Name)

Unicode: 2262. Alias: Esc !=== Esc. Infix similarity operator. x ≢ y is by default interpreted as NotCongruent[x,y].

\[NotCupCap] (Mathematica Character Name)

Unicode: 226D. Infix similarity operator. x ≭ y is by default interpreted as NotCupCap[x,y].

\[NotDoubleVerticalBar] (Mathematica Character Name)

Unicode: 2226. Alias: Esc !|| Esc. Infix operator. x ∦ y is by default interpreted as NotDoubleVerticalBar[x,y]. Used in geometry to mean "not parallel to".

\[NotEqualTilde] (Mathematica Character Name)

Unicode: F400. Alias: Esc !=~ Esc. Infix similarity operator. x  y is by default interpreted as NotEqualTilde[x,y].

\[NotExists] (Mathematica Character Name)

Unicode: 2204. Alias: Esc !ex Esc. Compound operator. ∄_xy is by default interpreted as NotExists[x,y].

\[NotGreaterEqual] (Mathematica Character Name)

Unicode: 2271. Alias: Esc !>= Esc. Infix ordering operator. x ≱ y is by default interpreted as NotGreaterEqual[x,y].

\[NotGreaterFullEqual] (Mathematica Character Name)

Unicode: 2269. Infix ordering operator. x ≩ y is by default interpreted as NotGreaterFullEqual[x,y].