\[PrecedesSlantEqual] (Mathematica Character Name)

Unicode: 227C. Infix ordering operator. x ≼ y is by default interpreted as PrecedesSlantEqual[x,y].

\[PrecedesTilde] (Mathematica Character Name)

Unicode: 227E. Infix ordering operator. x ≾ y is by default interpreted as PrecedesTilde[x,y].

\[Psi] (Mathematica Character Name)

Unicode: 03C8. Aliases: Esc ps Esc, Esc psi Esc, Esc y Esc. Greek letter. Used in TraditionalForm for PolyGamma.

\[ReverseDoublePrime] (Mathematica Character Name)

Unicode: 2036. Alias: Esc `` Esc. Letter-like form.

\[ReverseElement] (Mathematica Character Name)

Unicode: 220B. Alias: Esc mem Esc. Infix set relation operator. x ∋ y is by default interpreted as ReverseElement[x,y]. Not the same as \[SuchThat].

\[ReverseEquilibrium] (Mathematica Character Name)

Unicode: 21CB. Infix arrow-like operator. x ⇋ y is by default interpreted as ReverseEquilibrium[x,y]. Extensible character.

\[ReversePrime] (Mathematica Character Name)

Unicode: 2035. Alias: Esc ` Esc. Letter-like form. Used in an overscript position as a grave accent.

\[ReverseUpEquilibrium] (Mathematica Character Name)

Unicode: 296F. Infix arrow-like operator. x ⥯ y is by default interpreted as ReverseUpEquilibrium[x,y]. Extensible character.

\[Rho] (Mathematica Character Name)

Unicode: 03C1. Aliases: Esc r Esc, Esc rho Esc. Greek letter.

\[RightArrowLeftArrow] (Mathematica Character Name)

Unicode: 21C4. Infix arrow operator. x ⇄ y is by default interpreted as RightArrowLeftArrow[x,y]. Extensible character.