Nièpán wúmíng lùn 涅槃無名論
Treatise on the Namelessness of Nirvāṇa
The fourth of the four treatises of 僧肇 Sēngzhào’s Zhào lùn 肇論, expounding the doctrine that nirvāṇa transcends conceptual designation. Frequently cited in Chinese-Buddhist exegesis to elucidate the Mādhyamaka doctrine of emptiness.