Fourth stage of īhā (speculation),
in which thorough reflection of the meaning derived from anvayadharma (dharma (arrtibute) based on Anvaya (statement of the constant and invariable concomitance of the Sādhana (proban or middle term) (or Hetu) and the Sādhya (probandum or major term)) is repeatedly undertaken.
tasseva taddhammāṇugatatthassa puṇo puṇo samāloyaṇaṃteṇa ciṃtā bhaṇṇati.
(Nandī 45 Cū p.36)