Combining options at the istiʿādhah, basmalah and the end of the opening Fātiḥah passage, the book derives as many as 48 theoretical combinations in one configuration. It does not approve all 48.
The lesson is that a calculable permutation is not automatically a valid wajh. The stops at رَحِيم and الْعَالَمِينَ must still meet the length and rawm consistency tests.
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Fātiḥah combinations: arithmetic versus valid readings
Madd Lengths and Permissible Combinations — Ṭūl, Tawassuṭ, Qaṣr and Consistency
Combining options at the istiʿādhah, basmalah and the end of the opening Fātiḥah passage, the book derives as many as 48 theoretical combinations in one configuration. It does not approve all 48.
The lesson is that a calculable permutation is not automatically a valid wajh. The stops at رَحِيم and الْعَالَمِينَ must still meet the length and rawm consistency tests.