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SETS - Coggle Diagram
SETS
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SUBSETS
Subset: If every element of a set A is an element of set B, then A is a set to be a subset of B shown by A⊆ B.
Proper subsetIf a subset of a set is not equal to itself, it is called the proper subset. If A is a proper subset of the set B, then:A⊂B or B⊃A is used to show it.
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UNIVERSAL SET (U)
The set that contains all the elements being discussed is called universal set, and it is denoted by U.
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Equal Sets
Two sets contain the same elements is said to be equal sets. If A and B are equal sets, thenit is denoted by A=B; if A and B are not equal sets.
COMPLEMENT OF A SET
The set of all elements of the universal set that are not in A or the difference between universal seU and the set A is called complement of A and denoted by
I A or A .t
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