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3 cards from this section. Quick, good the night before a test.
Define an equivalence relation and provide one example.
Think about how numbers can relate to each other.
What is a partition in set theory?
Consider how you might group students in a classroom.
What are the three properties of an equivalence relation?
Recall the key properties we discussed.
True or False: Every partition of a set forms an equivalence relation.
Think about how partitions work in grouping.
Given the set G = {a, b, c, d} and the equivalence relation R defined by 'same first letter', construct the equivalence classes and explain if they form a partition.
Consider how each character relates to itself.
If we create a set H = {1, 2, 3, 4, 5, 6} and partition it as {{1, 2, 3}, {4, 5}, {6}}, demonstrate how to derive an equivalence relation from this partition.
Examine how items in clusters are related and cover overlap.
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