\[DoubleVerticalBar] (Mathematica Character Name)

Unicode: 2225. Alias: Esc ␣|| Esc. Infix operator. x ∥ y is by default interpreted as DoubleVerticalBar[x,y]. Used in mathematics to indicate that x exactly divides y. Used ...

\[Element] (Mathematica Character Name)

Unicode: 2208. Aliases: Esc el Esc, Esc elem Esc. Infix operator with built-in evaluation rules. x ∈ y is by default interpreted as Element[x,y]. Not the same as \[Epsilon].

\[EmptySmallCircle] (Mathematica Character Name)

Unicode: 25E6. Alias: Esc esci Esc. Letter-like form. Not the same as the infix operator \[SmallCircle]. Used as an overscript to add ring diacritical marks.

\[EmptyUpTriangle] (Mathematica Character Name)

Unicode: 25B3. Letter-like form. Used in geometry to indicate a triangle, as in the symbol △ABC. Not the same as \[CapitalDelta].

\[Epsilon] (Mathematica Character Name)

Unicode: 03F5. Aliases: Esc e Esc, Esc epsilon Esc. Greek letter. Not the same as \[Element].

\[FilledSquare] (Mathematica Character Name)

Unicode: 25A0. Alias: Esc fsq Esc. Letter-like form. Used as a dingbat. Not the same as \[SelectionPlaceholder].

\[Function] (Mathematica Character Name)

Unicode: F4A1 Alias: Esc fn Esc. Infix operator with built-in evaluation rules. x  y is by default interpreted as Function[x,y]. x  y  z groups as x  (y  z). \[Function] ...

\[HermitianConjugate] (Mathematica Character Name)

Unicode: F3CE. Alias: Esc hc Esc. Superscript postfix operator with built-in evaluation rules. m^ is by default interpreted as ConjugateTranspose[m]. Not the same as ...

\[Intersection] (Mathematica Character Name)

Unicode: 22C2. Alias: Esc inter Esc. Infix operator with built-in evaluation rules. x ⋂ y is by default interpreted as Intersection[x,y]. The character ⋂ is sometimes called ...

\[InvisibleApplication] (Mathematica Character Name)

Unicode: F76D. Alias: Esc @ Esc. Structural element with built-in meaning. \[InvisibleApplication] is by default not visible on display, but is interpreted as function ...