\[DoubleDagger] (Mathematica Character Name)

Unicode: 2021. Alias: Esc ddg Esc. Letter-like form.

\[DoubledGamma] (Mathematica Character Name)

Unicode: F74A. Alias: Esc gg Esc. Letter-like form. Not by default assigned any interpretation in StandardForm. Interpreted as EulerGamma in TraditionalForm. Not the same as ...

\[DoubleDot] (Mathematica Character Name)

Unicode: 00A8.

\[DoubleDownArrow] (Mathematica Character Name)

Unicode: 21D3. Infix arrow operator. x ⇓ y is by default interpreted as DoubleDownArrow[x,y]. Extensible character.

\[DoubledPi] (Mathematica Character Name)

Unicode: F749. Alias: Esc pp Esc. Letter-like form. Not by default assigned any interpretation. Not the same as \[Pi].

\[DoubleLeftArrow] (Mathematica Character Name)

Unicode: 21D0. Alias: Esc ␣<= Esc. Infix arrow operator. x ⇐ y is by default interpreted as DoubleLeftArrow[x,y]. Extensible character. Esc <= Esc is the alias for ...

\[DoubleLeftRightArrow] (Mathematica Character Name)

Unicode: 21D4. Alias: Esc <=> Esc. Infix arrow operator. x ⇔ y is by default interpreted as DoubleLeftRightArrow[x,y]. Used in mathematics to indicate logical equivalence. ...

\[DoubleLeftTee] (Mathematica Character Name)

Unicode: 2AE4. Infix operator. x ⫤ y is by default interpreted as DoubleLeftTee[x,y]. x ⫤ y ⫤ z groups as (x ⫤ y) ⫤ z. Used in mathematics to indicate various strong forms of ...

\[DoubleLongLeftArrow] (Mathematica Character Name)

Unicode: 27F8. Alias: Esc <== Esc. Infix arrow operator. x ⟸ y is by default interpreted as DoubleLongLeftArrow[x,y].

\[DoubleLongLeftRightArrow] (Mathematica Character Name)

Unicode: 27FA. Alias: Esc <==> Esc. Infix arrow operator. x ⟺ y is by default interpreted as DoubleLongLeftRightArrow[x,y]. Not the same as \[Equivalent].