CSCI 250 Spring 2012
Discrete Structures
Archived Class
Charles Cusack
Computer Science
Hope College
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Homework 10

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SectionProblemNotes
1.144Show intermediate results
1.620Explain why or why not, specifying rules of inference/fallacies.
1.88+additionRead carefully. It says "not exceeding it", so the number itself should be included. The addition is to answer the same problem, but with the phrase "not exceeding it" replaced with "less than it".
2.212Use a "set containment proof". See Examples 10 and 12. Your proof should contain phrases like "Let x∈FOO", "by the definition of union", "thus FOO⊆FERZLE", etc.
16aSee note for the previous problem.
2.38abcd
12+additionAlso specify whether each is onto. For both one-to-one and onto, justify.