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SETS - Coggle Diagram
SETS
TYPES OF SETS
Ex: { vowels in the English alphabet } = { a, e, i, o, u }
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The set that contains all the elements being discussed is called universal set, and it is denoted by U. 
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A set with no element
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If a subset of a set is not equal to itself, it is called the proper subset.
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OPERATIONS ON SETS
INTERSECTION OF SETS
The intersection of two sets A and B is the set that contains all elements of A that also belong to B
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DIFFERENCE OF TWO SETS
The difference of the sets A and B is the set of elements of A which does not belong to B, and it is
denoted by A−B or A\B.
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COMPLEMENT OF A SET
The complement of a set A is the set of all elements in the universal set U, but not in A
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ORDERED PAIRS
The pairs in the form (a, b) where a is the first and b is the second component is called ordered pairs.