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2 cards from this section. Quick, good the night before a test.
Define what a partition of a set is.
Focus on the key features of partitions.
Give an example of a pairwise disjoint partition of the set {a, b, c}.
Make sure subsets do not share elements.
What is a partition of a set?
Consider how elements of the set are organized.
True or False: The union of any two subsets in a partition can contain elements from outside the original set.
Think about what a set is composed of.
Given a set of integers {1, 2, 3, 4, 5, 6}, list all possible partitions.
Consider how many ways groups can be formed without overlapping.
Define an equivalence relation on the set of all students at a university based on their majors and describe the equivalence classes formed.
Think about how each class is related to the others.
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