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This section is incredibly confusing. Every paragraph flips back and forth between the two definitions of primitive element and generator, (#1) where successive powers of which yield a field's multiplicative group, and (#2) the element that creates the field extension L.
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The discussion of the other definition of "primitive element" (for finite fields) is weak. The two usages are somewhat different, it is true, but there does not need to be so many words spent on it. Or something.
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good place to put a careful discussion of the difference between a simple algebraic and a simple transcendental extension. I think there might be something roughly like that in
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How does the general definition require that? Also, "polynomial in the generator" is confusing, it should read more like "a polynomial who's indeterminate is θ.
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I tried to expand and clarify the article on the points you have mentioned, but I am not completely satisfied with the result.
252:"Thus the general definition requires that every element of the field may be expressed as a polynomial in the generator,"
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Finally it's not clear what the equation L=K(θ) means. K is a field, not a function.
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have much in common and neither is particularly long -- could they be unified?
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