1. What is the primary focus of abstract algebra as introduced in the course?
2. Which property is essential for a subset H of a group G to be considered a normal subgroup?
3. Under what condition does the residue class ring Z/mZ form a field?
Equivalence relation — properties?
Reflexive, symmetric, transitive
Abstract algebra — study?
Structures like groups, rings, fields
Galois extension — characteristics?
Normal and separable extension
Prime number — definition?
Only divisible by 1 and itself.
Group — key properties?
Associative, identity, inverses.
Ring — structure features?
Addition, multiplication, distributive.
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