Seldom is it the

[Teo]

This book is intended for students who are just beginning to study Aramaic. Seldom is it the language's inherent value which attracts such individuals; more often they are motivated (if not always directly) by an interest in the Bible, although some may want to explore early Judaism or Christianity.
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My analysis is as follows:
The language's inherent value seldom attracts such individuals
> It is seldom the language's inherent value which/that attracts such individuals
> Seldom is it the language's inherent value which/that attracts such individuals
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Is my linguistic analysis correct?

[Alan]

Yes, you have correctly rephrased it.