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5 cards from this section. Quick, good the night before a test.
What is a set?
Consider how you would describe a group of numbers.
What defines a proof by contradiction?
Think of proving someone wrong by showing an impossible outcome.
What type of reasoning focuses on deriving conclusions from premises?
Think about the different types of reasoning practices.
True or False: A relation is a collection of ordered pairs.
Consider how relations help to create connections.
Design a graph representing the relationships in a social network, detailing vertices and edges.
Think about who interacts with whom in your social circle.
Prove that the sum of two odd numbers is even using a proof by contradiction.
Examine the definition of odd numbers closely.
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