Unicode: 2299. Alias: Esc c. Esc. Infix operator. x ⊙ y is by default interpreted as CircleDot[x,y]. Used in mathematics for various operations related to multiplication, ...
Unicode: 2261. Alias: Esc === Esc. Infix similarity operator. x ≡ y is by default interpreted as Congruent[x,y]. Used in mathematics for many notions of equivalence and ...
Unicode: 224D. Infix similarity operator. x ≍ y is by default interpreted as CupCap[x,y]. Used in mathematics for various notions of equivalence, usually fairly weak. f ≍ g ...
Unicode: 2250. Alias: Esc .= Esc. Infix similarity operator. x ≐ y is by default interpreted as DotEqual[x,y]. Used to mean approximately equal, or in some cases, 'image of', ...
Unicode: F603. Alias: Esc l| Esc. Matchfix operator. x is by default interpreted as BracketingBar[x]. Used in mathematics to indicate absolute value (Abs), determinant ...
Unicode: 301A. Alias: Esc [[ Esc. Compound operator with built-in evaluation rules. m〚i,j,… 〛 is by default interpreted as Part[m,i,j,…]. Sometimes used in mathematics to ...
Unicode: 2194. Alias: Esc <-> Esc. Infix arrow operator. x ↔ y is by default interpreted as LeftRightArrow[x,y]. Used in mathematics for various notions of equivalence and ...
Unicode: F761. Uninterpretable element. n is used on output to indicate n omitted pieces in an expression obtained from Short or Shallow. \[LeftSkeleton] indicates the ...
Unicode: 22A3. Alias: Esc lT Esc. Infix operator. x ⊣ y is by default interpreted as LeftTee[x,y]. x ⊣ y ⊣ z groups as (x ⊣ y) ⊣ z. Used in mathematics to indicate the lack ...
Unicode: 22B2. Infix ordering operator. x ⊲ y is by default interpreted as LeftTriangle[x,y]. Used in pure mathematics to mean 'normal subgroup of'.