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Algebra/Chapter 27/Exercises
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Conceptual Questions
Exercises
Section 27.1
Section 27.2
27.1 Assume that * is a binary operation on the set S. Prove the following statements.
Section 27.3
27.2 Let be a group. Prove that the identity element is unique. Also prove that every element has a unique inverse, indicated by .
Section 27.4
Section 27.5
Reason and Apply
Challenge Problems