1. Niddasavatthu Sutta
The seven constituent qualities of a niddasa (khīnāsava). A.iv.15.
2. Niddasavatthu Sutta
The same preached in answer to a question by Sāriputta as to whether it is right to say that one who has observed celibacy for twelve years could be called a niddasa. A.iv.34ff.
3. Niddasavatthu Sutta
Similar to No. 2, but the questioner is Ananda and the qualities are differently stated. A.iv.37f.