\[LessLess] (Mathematica Character Name)

Unicode: 226A. Infix ordering operator. x ≪ y is by default interpreted as LessLess[x,y]. Not the same as \[LeftGuillemet].

\[LessSlantEqual] (Mathematica Character Name)

Unicode: 2A7D. Alias: Esc </ Esc. Infix operator with built-in evaluation rules. x ⩽ y is by default interpreted as LessEqual[x,y].

\[LessTilde] (Mathematica Character Name)

Unicode: 2272. Alias: Esc <~ Esc. Infix ordering operator. x ≲ y is by default interpreted as LessTilde[x,y].

\[LongLeftArrow] (Mathematica Character Name)

Unicode: 27F5. Alias: Esc <-- Esc. Infix arrow operator. x ⟵ y is by default interpreted as LongLeftArrow[x,y].

\[LongLeftRightArrow] (Mathematica Character Name)

Unicode: 27F7. Alias: Esc <--> Esc. Infix arrow operator. x ⟷ y is by default interpreted as LongLeftRightArrow[x,y].

\[Nand] (Mathematica Character Name)

Unicode: 22BC. Alias: Esc nand Esc. Infix operator with built-in evaluation rules. x ⊼ y is by default interpreted as Nand[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 ...

\[Nor] (Mathematica Character Name)

Unicode: 22BD. Alias: Esc nor Esc. Infix operator with built-in evaluation rules. x ⊽ y is by default interpreted as Nor[x,y].

\[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].