Unicode: F812. Alias: Esc $s Esc. Letter-like form. Used to represent a formal parameter that will never be assigned a value.
Unicode: F813. Alias: Esc $t Esc. Letter-like form. Used to represent a formal parameter that will never be assigned a value.
Unicode: F814. Alias: Esc $u Esc. Letter-like form. Used to represent a formal parameter that will never be assigned a value.
Unicode: F815. Alias: Esc $v Esc. Letter-like form. Used to represent a formal parameter that will never be assigned a value.
Unicode: F816. Alias: Esc $w Esc. Letter-like form. Used to represent a formal parameter that will never be assigned a value.
Unicode: F817. Alias: Esc $x Esc. Letter-like form. Used to represent a formal parameter that will never be assigned a value.
Unicode: F818. Alias: Esc $y Esc. Letter-like form. Used to represent a formal parameter that will never be assigned a value.
Unicode: F819. Alias: Esc $z Esc. Letter-like form. Used to represent a formal parameter that will never be assigned a value.
Unicode: 2661. Letter-like form.
Unicode: 2AA2. Infix ordering operator. x ⪢ y is by default interpreted as NestedGreaterGreater[x,y].