The Kaccānagotta Sutta is a short, but influential Buddhist text in the Pali Canon (Saṃyutta Nikāya 12.15).
Mahākaccāna asks about the meaning of the phrase "right-view" (Pali: sammādiṭṭhi; Skt: samyagdṛṣṭi; Ch: 正見).
In the Chinese version, the terms "existence" and "non-existence" are rendered 有 (yǒu) and 無 (wú).
The question of existence and non-existence is discussed in the context of right-view (sammādiṭṭhi) with Mahākaccāna initially asking the Buddha to define right view for him.
It is also cited in Sanskrit in Nāgārjuna's Mūlamadhyamakakārika (MMK 15.7) and in commentaries on this work by Candrakīrti, namely Prassanapadā and Madhyamakāvatārabhāṣya.