A variety of Śrutajñāna (articulate knowledge);
it means the Dvādasāṅga Śruta (twelve principal canonical works), which never becomes extinct from the view-point of Avyucchitti Naya (Dravyārthika Naya (non-absolutistic standpoint qua substance)).
avucchittinayaṭṭhayāe aṇāiyaṃ apajjavasiyaṃ.
(Nandī 68)