Homepage › Solution manuals › Tom Leinster › Galois Theory › Exercise 4.1.5 (Generated subfield)
Exercise 4.1.5 (Generated subfield)
Check the truth of all the statements in the previous paragraph.
Answers
Solution: Follow trivially from definitions of interesection and subfields. See Lemma 2.2.3 for showing interesection of subfields still remains a subfield.
2022-11-01 04:02