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Abstract Algebra 13: The identity in a group is unique
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Abstract Algebra 13: The identity in a group is unique
Abstract: We prove that the identity element in a group is unique, i.e., there can only be one identity element. Before jumping into the proof, we explore a bit with group multiplication tables to brainstorm why this might need to be the case.
This video accompanies the class "Introduction to Abstract Algebra" at Colorado State University:
Abstract: We prove that the identity element in a group is unique, i.e., there can only be one identity element. Before jumping into the proof, we explore a bit with group multiplication tables to brainstorm why this might need to be the case.
This video accompanies the class "Introduction to Abstract Algebra" at Colorado State University:
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