Show that if F, E, and K are fields with F ≤ E ≤ K, then K is algebraic over F if and only if E is algebraic over F, and K is algebraic over E. (You must not assume the extensions are finite.)
Show that if F, E, and K are fields with F ≤ E ≤ K, then K is algebraic over F if and only if E is algebraic over F, and K is algebraic over E. (You must not assume the extensions are finite.)
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Show that if F, E, and K are fields with F ≤ E ≤ K, then K is algebraic over F if and only if E is algebraic over F, and K is algebraic over E. (You must not assume the extensions are finite.)
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