Question
Asked Apr 19, 2019
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Abstract Algebra

Write down a definition of a subfield. Prove that the intersection of a set
of subfields of a field F is again a field.
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Write down a definition of a subfield. Prove that the intersection of a set of subfields of a field F is again a field.

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Expert Answer

Step 1

To define the concept of a subfield of a field and prove the stated property regarding subfields of a field

Step 2

A subfield of a field L is a subset K of L , which is also a field, with field structure inherited from L

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Step 3
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