Difference

The Difference node takes the relative difference of items found in two Sets, assigning the difference to a Resultant Set, with the result containing all items found in Set A but not found in Set B. It's important to note that the relative difference between two Sets is not a commutative operation. Visually, the difference between Set A and Set B looks like the following diagram, where Set A contains all of the items that are being preserved.

For illustrative purposes, let's say that you have two string type Sets, Set A and Set B, both of which are defined below.

	Set A = {"Item 1", "Item 2", "Item 3", "Item 4", "Item 5"}
	Set B = {"Item 4", "Item 5", "Item 6", "Item 7", "Item 8"}
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Set A = {"Item 1", "Item 2", "Item 3", "Item 4", "Item 5"} Set B = {"Item 4", "Item 5", "Item 6", "Item 7", "Item 8"}

The following table shows you the result, which contains the relative difference between Set A and Set B (symbolically represented as A \ B).

Inputs

Outputs

Example Usage

Footnote

Symbolically, this operation is represented as A \ B = { x | x ∈ A ∧ x ∉ B }, wherein this node is performing a logical AND operation between elements in Set A and elements not in Set B.