\[NotSquareSuperset] (Mathematica Character Name)

Unicode: F42F. Infix set relation operator. x  y is by default interpreted as NotSquareSuperset[x,y].

\[NotSubsetEqual] (Mathematica Character Name)

Unicode: 2288. Alias: Esc !sub= Esc. Infix set relation operator. x ⊈ y is by default interpreted as NotSubsetEqual[x,y].

\[NotSubset] (Mathematica Character Name)

Unicode: 2284. Alias: Esc !sub Esc. Infix set relation operator. x ⊄ y is by default interpreted as NotSubset[x,y].

\[NotSupersetEqual] (Mathematica Character Name)

Unicode: 2289. Alias: Esc !sup= Esc. Infix set relation operator. x ⊉ y is by default interpreted as NotSupersetEqual[x,y].

\[NotSuperset] (Mathematica Character Name)

Unicode: 2285. Alias: Esc !sup Esc. Infix set relation operator. x ⊅ y is by default interpreted as NotSuperset[x,y].

\[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].

\[SquareSubsetEqual] (Mathematica Character Name)

Unicode: 2291. Infix set relation operator. x ⊑ y is by default interpreted as SquareSubsetEqual[x,y].

\[SquareSupersetEqual] (Mathematica Character Name)

Unicode: 2292. Infix set relation operator. x ⊒ y is by default interpreted as SquareSupersetEqual[x,y].

\[SubsetEqual] (Mathematica Character Name)

Unicode: 2286. Alias: Esc sub= Esc. Infix set relation operator. x ⊆ y is by default interpreted as SubsetEqual[x,y].

\[SupersetEqual] (Mathematica Character Name)

Unicode: 2287. Alias: Esc sup= Esc. Infix set relation operator. x ⊇ y is by default interpreted as SupersetEqual[x,y].