\[NegativeMediumSpace] (Mathematica Character Name)

Unicode: F383. Alias: Esc -␣␣ ␣ Esc. Negative spacing character. Used to bring characters on either side closer together. Width: -4/18 em. Interpreted by default just like an ...

\[NegativeThickSpace] (Mathematica Character Name)

Unicode: F384. Alias: Esc -␣␣ ␣␣ Esc. Negative spacing character. Used to bring characters on either side closer together. Width: -5/18 em. Interpreted by default just like ...

\[NegativeThinSpace] (Mathematica Character Name)

Unicode: F382. Alias: Esc -␣␣ Esc. Negative spacing character. Used to bring characters on either side closer together. Width: -3/18 em. Interpreted by default just like an ...

\[NegativeVeryThinSpace] (Mathematica Character Name)

Unicode: F380. Alias: Esc -␣ Esc. Negative spacing character. Used to bring characters on either side closer together. Width: -1/18 em. Interpreted by default just like an ...

\[NotElement] (Mathematica Character Name)

Unicode: 2209. Aliases: Esc !el Esc, Esc !elem Esc. Infix set relation operator with built-in evaluation rules. x ∉ y is by default interpreted as NotElement[x,y].

\[NotEqual] (Mathematica Character Name)

Unicode: 2260. Alias: Esc != Esc. Infix operator with built-in evaluation rules. x ≠ y is by default interpreted as Unequal[x,y].

\[Or] (Mathematica Character Name)

Unicode: 2228. Aliases: Esc || Esc, Esc or Esc. Infix operator with built-in evaluation rules. x ∨ y is by default interpreted as Or[x,y], equivalent to x||y. Not the same as ...

\[Proportional] (Mathematica Character Name)

Unicode: 221D. Alias: Esc prop Esc. Infix relational operator. x ∝ y is by default interpreted as Proportional[x,y]. Not the same as \[Alpha].

\[RawSpace] (Mathematica Character Name)

Unicode: 0020. Spacing character. Equivalent to the ordinary ASCII character with code 32.

\[RightDoubleBracketingBar] (Mathematica Character Name)

Unicode: F606. Alias: Esc r|| Esc. Matchfix operator.  x  is by default interpreted as DoubleBracketingBar[x]. Used in mathematics to indicate taking a norm. Sometimes used ...