《小部》第十二部经，属阿毗达摩性质的分析论著，分三品讲述阿罗汉如何获得无碍解智，另有注释书《正法显扬》。

The twelfth book of the Khuddakanikāya, an Abhidhamma-style analytical treatise in three chapters on how an Arahant acquires discriminating knowledge, with a commentary called the Saddhammappakāsinī.