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2 cards from this section. Quick, good the night before a test.
What is the definition of a partition?
Think about how you can divide something into parts that don’t overlap.
Give an example of an equivalence relation.
Consider how numbers relate to each other.
What is an equivalence relation?
Remember RST for Reflexive, Symmetric, Transitive.
True or False: Partitions can overlap.
Think about the definition of partition again.
Create a set of students and partitions them into groups based on their favorite colors. Then define an equivalence relation based on this partition.
Think how to relate members based on their color preference.
Given the equivalence relation R on set A where R = {(1, 1), (2, 2), (1, 2), (2, 1)}. Determine the equivalence classes and show they form a partition.
Identify how members relate to each other under R.
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