*in which we prove the Isomorphism Theorem and first meet group actions.
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# quotient

# Groups Lecture 11

*in which we explore groups of order 6 and make a start on quotients.
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# Groups Lecture 12

*in which we find out more about quotients, including the quotient map, and prove the Isomorphism Theorem.
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# Groups Lecture 11

*in which we define normal subgroups, explore groups of order 6 and make a start on quotients.
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