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Set Notation
A systematic way of representing a set and its elements using braces and specific symbols to denote operations and relationships.
Intersection Symbol
Generally represented by ∩, it denotes the common elements between two sets.
Union Symbol
In set theory, a symbol (∪) that denotes the union of two sets, meaning it combines all the elements from both sets, excluding duplicates.
Absolute Value Equation
An equation that contains an absolute value expression, requiring consideration of both the positive and negative cases to find solutions.
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