difference.jl

"""
    difference(X::LazySet, Y::LazySet)

Compute the set difference of two sets.

### Input

- `X` -- set
- `Y` -- set

### Output

A set representing the difference ``X ∖ Y``.

### Notes

The set difference is defined as:

```math
    X ∖ Y = \\{x \\mid x ∈ X \\text{ and } x ∉ Y \\}
```
"""
function difference(::LazySet, ::LazySet) end