तेन मध्यमकनिष्ठौ व्याख्यातौ ॥ कZ_०३.६.११ ॥
tena madhyamakaniṣṭhau vyākhyātau
By that principle, the “middle” and “junior” (sons/heirs) are also explained, i.e., their status is to be determined analogously.
Analogical extension: once a rule is set for one case, officials apply the same logic to comparable heir-categories to keep decisions consistent.