 The controversy over persons raged among Indian Buddhists for more than a millennium. The question is whether the ‘person’ in the sūtra is to be interpreted as ultimately real, as Pudgalavādins (Personalists) did, or, as only conventionally real, as the mainstream Abhidharma Buddhists did. According to the Abhidharma doctrine, the only things that are ultimately real are the indivisible, momentary physical and mental dharmas (best understood as tropes; see Ganeri 2001). Everything else that can be decomposed into parts, physically or conceptually, is only conventionally real. Siderits explains the Ābhidharmika position thus: