Interval
Key Interval in Is Inside refers to an array of intervals expressed as a 1D-array of objects of type Data Interval
At least one interval is required.
Given u input variables x₁ , x₂ , ... , xᵤ, the iᵗʰ interval applies to the input variable xᵢ
The last interval applies to all remaining input variables.
The number of intervals is allowed to exceed u, in which case the remaining intervals are simply ignored.
More details at Is Inside