Unicode: 0F3D5. Aliases: Esc de Esc. Infix operator with built-in evaluation rules. uv is by default interpreted as DirectedEdge[u,v].
Unicode: 0F3D2. Aliases: Esc dist Esc. Infix operator with built-in evaluation rules. xdist is by default interpreted as Distributed[x,dist].
Unicode: F3D0. Alias: Esc divides Esc. Infix operator with built-in evaluation rules. m∣n is by default interpreted as Divisible[n,m].
Unicode: F751. Letter-like form.
Unicode: 2021. Alias: Esc ddg Esc. Letter-like form.
Unicode: 21D3. Infix arrow operator. x ⇓ y is by default interpreted as DoubleDownArrow[x,y]. Extensible character.
Unicode: 27F8. Alias: Esc <== Esc. Infix arrow operator. x ⟸ y is by default interpreted as DoubleLongLeftArrow[x,y].
Unicode: 27FA. Alias: Esc <==> Esc. Infix arrow operator. x ⟺ y is by default interpreted as DoubleLongLeftRightArrow[x,y]. Not the same as \[Equivalent].
Unicode: 27F9. Alias: Esc ==> Esc. Infix arrow operator. x ⟹ y is by default interpreted as DoubleLongRightArrow[x,y].
Unicode: 21D1. Infix arrow operator. x ⇑ y is by default interpreted as DoubleUpArrow[x,y]. Extensible character.