Groups
Subgroups
Cyclic groups
Cosets
Lagrange’s Theorem
Normal subgroups
Quotient groups
Homomorphism of groups
Basic isomorphism theorems
Permutation groups
Cayley’s theorem
Rings
Subrings and ideals
Homomorphisms of rings
Integral domains
Principal ideal domains
Euclidean domains and unique factorization domains
Fields, quotient fields
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