∖

See also: \ [U+005C REVERSE SOLIDUS]

∖ U+2216, ∖ SET MINUS ← ∕ [U+2215] Mathematical Operators ∗ → [U+2217]

Translingual

Symbol

∖

1. (set theory) set difference

   { 4, 1, 5, 3 } ∖ { 3, 1, 9 } = { 4, 5 }

Coordinate terms

• ∩, ∪