These concern: (1) establishing the sacred doctrine (chos gdags pa rnam par ’god pa), (2) establishing the truth (bden pa gdags pa rnam par ’god pa), (3) establishing reason (rigs pa gdags pa rnam par ’god pa), and (4) establishing the vehicles (theg pa gdags pa rnam par ’god pa). See the Śata­sāhasrikā­prajñā­pāramitā­bṛhaṭṭīkā, Toh 3807 (Degé Tengyur vol. 91, F37.a); also Edgerton, p. 516.

The four presentations are (1) a presentation of doctrine representations (the divisions of the Buddha’s teachings), (2) a presentation of truth representations (one, two, four, up to an infinite number of truths), (3) a presentation of reasoning (rig/rigs pa, yukti) representations (from contingency, function, logical proof, and the nature of things), and (4) a presentation of vehicles (three).

Pāli vavatthāna; Ñāṇamoli 1976 “definition”; Thurman 2004 “classification.”