Unicode: F7FB.
Unicode: F754. Aliases: Esc _ Esc, Esc ls Esc. Letter-like form. Used to separate words visually, but treated as a letter for purposes of Mathematica input.
Unicode: F723. Letter-like form.
Unicode: 0142. Alias: Esc l/ Esc. Letter. Included in ISO Latin-2.
\[Mars]
(Mathematica Character Name) Unicode: 2642.
Unicode: 263F.
Unicode: 2646.
Unicode: 2AA2. Infix ordering operator. x ⪢ y is by default interpreted as NestedGreaterGreater[x,y].
Unicode: 2204. Alias: Esc !ex Esc. Compound operator. ∄_xy is by default interpreted as NotExists[x,y].
\[Not]
(Mathematica Character Name) Unicode: 00AC. Aliases: Esc ! Esc, Esc not Esc. Prefix operator with built-in evaluation rules. ¬ x is by default interpreted as Not[x], equivalent to !x.