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5 cards from this section. Quick, good the night before a test.
What is a cover in the context of posets?
Think about direct connections in a diagram.
Give an example of a maximal element.
Look for elements that aren’t related to anything higher.
What defines a cover in a poset?
Visualize the Hasse diagram.
True or False: A minimal element in a poset has elements above it.
Think about the definition of minimal.
Create a partially ordered set of at least six elements. Identify all maximal, minimal, greatest, and least elements, explaining each relation.
Define how each element relates to ensure you address all types.
Using a given set of tasks with dependencies, construct a Hasse diagram and perform a topological sort. Explain your steps.
Focus on dependencies and remember the definition of topological sorting.
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