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2 cards from this section. Quick, good the night before a test.
Define partial ordering.
What are the three properties of a partial order?
Give an example of a real-life partial ordering.
Think of how you would arrange a list.
Which property states that every element is related to itself in a partial ordering?
Think about the properties we discussed.
True or False: In a partial order, all elements are comparable.
Recall the difference between partial and total ordering.
Given a set of integers, describe how you would determine if the 'divides' relation forms a partial ordering.
Recall the key properties.
Illustrate a Hasse diagram for the subset relation of the set {A, B, C}.
Sketch your diagram step-by-step.
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