Direct Answer
The available material attributes to Shahrur the view that the “Mother of the Book” is a closed domain into which ijtihad does not enter, in contrast to “detailed exposition,” which opens the way for human activity. In its current form, this evidence does not clarify the limits of this closure or its detailed implications.
What Is Attributed to Shahrur
The paraphrase associated with Episode 17 attributes to Shahrur the statement that the “Mother of the Book” is a closed domain into which ijtihad does not enter, contrasting it with detailed exposition in allowing human activity. This attribution requires review because the evidence is not a verbatim quotation from the episode.
Atlas Explanation
The statement describes a contrast between two domains: the “Mother of the Book” on one hand and “detailed exposition” on the other. By itself, it is insufficient to provide a comprehensive definition of either one or to determine what falls within ijtihad and what is excluded from it.
Conclusion
In a limited sense, the statement may be understood as drawing a boundary between what the material calls “closed” and what it attributes to detailed exposition as permitting human activity. This wording alone does not justify concluding that closure is equivalent to stagnation, or that it means an incapacity for understanding and explanation or an incapacity for change.
Open Question
What is the verbatim text in Episode 17 that supports describing the “Mother of the Book” as closed? Does Shahrur explicitly define here the meaning of “closed” and its relation to the decisive or to detailed exposition? The original episode and the related books must be consulted before reaching a firm conclusion.