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(Abstract Algebra 1) Basic Group Proof 1
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(Abstract Algebra 1) Symmetries of an Equilateral Triangle
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The Dihedral Group
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(Abstract Algebra 1) Definition of a Subgroup
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What is Group Theory? — Group Theory Ep. 1
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Normal Subgroups and Quotient Groups (aka Factor Groups) - Abstract Algebra
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Group Definition (expanded) - Abstract Algebra
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