Assume that F is a field throughout these problems.Prove that if E is a field and T is a
Chapter 42, Problem 42.1(choose chapter or problem)
Assume that F is a field throughout these problems.Prove that if E is a field and T is a subset of E, then the intersection of all the subfields ofE that contain T is a subfield of E. (See 26.20.) [If F is a subfield of E and S is asubset of E, and T = F US, then the subfield obtained here is F(S).]
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