Data.IntSet.Unicode

Documentation

(∈) :: Int -> IntSet -> Bool

(∈) = member

U+2208, ELEMENT OF

(∋) :: IntSet -> Int -> Bool

(∋) = flip (∈)

U+220B, CONTAINS AS MEMBER

(∉) :: Int -> IntSet -> Bool

(∉) = notMember

U+2209, NOT AN ELEMENT OF

(∌) :: IntSet -> Int -> Bool

(∌) = flip (∉)

U+220C, DOES NOT CONTAIN AS MEMBER

(∅) :: IntSet

(∅) = empty

U+2205, EMPTY SET

(∪) :: IntSet -> IntSet -> IntSet

(∪) = union

U+222A, UNION

(∖) :: IntSet -> IntSet -> IntSet

(∖) = difference

U+2216, SET MINUS

(∆) :: IntSet -> IntSet -> IntSet

Symmetric difference

a ∆ b = (a ∖ b) ∪ (b ∖ a)

U+2206, INCREMENT

(∩) :: IntSet -> IntSet -> IntSet

(∩) = intersection

U+2229, INTERSECTION

(⊆) :: IntSet -> IntSet -> Bool

(⊆) = isSubsetOf

U+2286, SUBSET OF OR EQUAL TO

(⊇) :: IntSet -> IntSet -> Bool

(⊇) = flip (⊆)

U+2287, SUPERSET OF OR EQUAL TO

(⊈) :: IntSet -> IntSet -> Bool

a ⊈ b = (a ≢ b) ∧ (a ⊄ b)

U+2288, NEITHER A SUBSET OF NOR EQUAL TO

(⊉) :: IntSet -> IntSet -> Bool

a ⊉ b = (a ≢ b) ∧ (a ⊅ b)

U+2289, NEITHER A SUPERSET OF NOR EQUAL TO

(⊂) :: IntSet -> IntSet -> Bool

(⊂) = isProperSubsetOf

U+2282, SUBSET OF

(⊃) :: IntSet -> IntSet -> Bool

(⊃) = flip (⊂)

U+2283, SUPERSET OF

(⊄) :: IntSet -> IntSet -> Bool

a ⊄ b = not (a ⊂ b)

U+2284, NOT A SUBSET OF

(⊅) :: IntSet -> IntSet -> Bool

a ⊅ b = not (a ⊃ b)

U+2285, NOT A SUPERSET OF