Pramāṇayuktanidhi (ཚད་མ་རིགས་གཏེར་)
Treasury of Reasoning on Valid Cognition — sakya-pandita’s masterpiece and arguably the most important Tibetan-authored text on Buddhist epistemology. Known simply as “the Treasure” (རིགས་གཏེར་).
Overview
The Treasure is a direct engagement with dharmakirti’s thought. Rather than relying on commentaries, Sakya Paṇḍita quotes the master directly — an apparently unique feature in Tibet. The prime target of the work is Tibetan realism — the attempt by cha-ba and his followers to reintroduce real universals into Buddhist epistemology (dreyfus-recognizing-reality, p. 24).
The root text is written in verse form and was renowned for its brevity, pithiness, and mnemonic quality. It is accompanied by an auto-commentary, though its authenticity has been questioned by some (sonam-introduction-treasury).
The Treasury is arguably the most authoritative and coherent commentarial treatise on the pramāṇa system of Dignāga and Dharmakīrti from a native Tibetan scholar. It is one of the few indigenous Tibetan texts to have received commentary from scholars of almost all denominations of Tibetan Buddhism — at least fourteen extant commentaries are known (sonam-introduction-treasury).
Structure
The text is divided into two main sections (sonam-introduction-treasury):
Part I — Ascertaining the Object (Chapters 1–7): subdivided into three parts: the object of comprehension, the cognitions that comprehend it, and the manner in which cognitions comprehend their objects.
Part II — Ascertaining Valid Cognition (Chapters 8–11): covering definition, perception, and the two types of inference.
Each chapter follows the threefold structure conventional for writers of the period: refutation of others’ systems, presentation of one’s own view, and responding to possible criticisms (དགག་བཞག་སྤོང་གསུམ་) (sonam-introduction-treasury).
Chapter Summaries
Chapter 1: Objects of Comprehension (ཡུལ་བརྟག་པ་)
Objects defined as “possible objects of valid cognition” (ཡུལ་གྱི་མཚན་ཉིད་བློས་རིག་བྱ།, TR 1.1). The two types — specifically-characterised and generally-characterised — do not exist at the same level. Sapan’s controversial claim: “Specifically characterised phenomena alone are the objects of cognition” (གཞལ་བྱ་རང་མཚན་གཅིག་ཁོ་ན།, TR 1.11). Critiques the earlier Tibetans’ threefold division of held objects. Presents his hermeneutical framework of three worldviews (Sautrāntika, Cittamātra, Mādhyamaka) and identifies the ultimate tenets of the pramāṇa teachers as Cittamātra (sonam-introduction-treasury).
Chapter 2: Consciousness (བློ་བརྟག་པ་)
Consciousness defined as “clarity and knowing” (བློ་ཡི་མཚན་ཉིད་རིག་པ་ཡིན།, TR 2.1). Non-valid cognition defined as “cognition in which non-deceptiveness is not established” (མི་བསླུ་མ་གྲུབ་ཚད་མ་མིན།, TR 2.18). Critiques the earlier Tibetans’ five types of non-valid cognition; argues correctly assuming consciousness does not exist and inattentive cognition is a pseudo-classification. Sapan’s own threefold division: non-apprehending cognition, doubt, and distorted cognition (sonam-introduction-treasury).
Chapter 3: Universals and Particulars (སྤྱི་དང་བྱེ་བྲག་བརྟག་པ་)
The radical Buddhist rejection of real universals. Perception is a “complete engager” (སྒྲུབ་འཇུག་) relating directly to the individual substance; conceptual thought mistakes objective aspects for the real world. gorampa defines universals as “a commonly appearing entity which is superimposed” with three divisions: kind universals (རིགས་སྤྱི་), meaning universals (དོན་སྤྱི་), and collection universals (ཚོགས་སྤྱི་). gyel-tsap warns that denying reality to duration undermines karma and its fruits (sonam-introduction-treasury).
Chapter 4: Appearance and Elimination (སྣང་བ་དང་སེལ་བ་བརྟག་པ་)
The apoha theory. Sapan attacks the earlier Tibetan tenet that perception determines its objects (རང་ཡུལ་ངེས་པ་). Perception merely holds its object in the perceptual field and induces conceptual thought, which then determines it. gorampa defines exclusion as “a superimposition which appears as this object through the elimination of its direct opposites” (sonam-introduction-treasury).
Chapter 5: Signified and Signifier (བརྗོད་བྱ་དང་རྗོད་བྱེད་བརྟག་པ་)
Refutes the linguistic theories of the Indian grammarians and Hindu schools. Naming and conceptual identification are mere conventions — a form of mistake in which all unenlightened beings participate under ignorance. Introduces the crucial division of two levels of discourse: theoretical standpoint (འཆད་པའི་ཚེ) and practical standpoint (འཇུག་པའི་ཚེ) (sonam-introduction-treasury).
Chapter 6: Relations (འབྲེལ་བ་བརྟག་པ་)
Relations are necessary constructs, not real. Two types admitted: identity (བདག་གཅིག་འབྲེལ་) and causality (དེ་བྱུང་འབྲེལ་). Sapan refutes both: identity relations involve at least two entities; causal relations fail because cause and effect are necessarily sequential (sonam-introduction-treasury).
Chapter 7: Contradiction (འགལ་བ་བརྟག་པ་)
Critiques the earlier Tibetans’ definition of exclusion as “two different phenomena which will never share the same locus.” Two types: exclusion of not being together (ལྷན་ཅིག་མི་གནས་འགལ་) and mutual exclusion (ཕན་ཚུན་སྤང་འགལ་) (sonam-introduction-treasury).
Chapter 8: Definition and Valid Cognition (མཚན་ཉིད་བརྟག་པ་)
Follows cha-ba’s solution on definition: the name of a definition should have a definition, while its meaning-distinguisher need not. Defines definition as “a meaning-distinguisher established by the exclusion of direct contradiction.” valid-cognition defined as consciousness non-deceptive in relation to action, agent, and object. Refutes the earlier Tibetans’ distinction between explicit and implicit realisation (sonam-introduction-treasury).
Chapter 9: Valid Perception (མངོན་སུམ་བརྟག་པ་)
The longest chapter. Critiques the earlier Tibetans’ distinction between perception per se and valid perception. Sapan’s definition: “non-mistaken cognition free from conception.” Four types: sense, mental, self-cognising, and yogic. In the section on yogic perception, argues for the possibility of enlightenment and the continuum of mind, using the Buddhist theory of substantial and co-operating causes. Introduces the theory of the mind’s natural luminosity (སེམས་ཀྱི་རང་བཞིན་འོད་གསལ་བ་) (sonam-introduction-treasury).
Chapter 10: Inference for Self (རང་དོན་རྗེས་དཔག་བརྟག་པ་)
A correct reason defined as one endowed with three modes: dharma of the subject (ཕྱོགས་ཆོས་), pervasion (རྗེས་ཁྱབ་), and counter-pervasion (ལྡོག་ཁྱབ་). Three types of correct reasoning: same nature (རང་བཞིན་གྱི་རྟགས་), effect (འབྲས་རྟགས་), and non-cognition (མ་དམིགས་པའི་རྟགས་) (sonam-introduction-treasury).
Chapter 11: Inference for Others (གཞན་དོན་རྗེས་དཔག་བརྟག་པ་)
Defines the parties in formal debate: defender (སྔ་རྒོལ་), challenger (ཕྱི་རྒོལ་), and witness (དཔང་པོ་). Critiques the Nyāya five-limb proof. Discusses consequence (ཐལ་འགྱུར་) and autonomous syllogism (རང་རྒྱུད་). Four admissible types of response: contradictory, uncertain, unestablished, and acceptance — the earlier Tibetans having enumerated only three (sonam-introduction-treasury).
The Auto-Commentary
Sakya Paṇḍita wrote an auto-commentary (རང་འགྲེལ་) that is much more explicit in its rejection of realism. There are discrepancies between the root text and the auto-commentary version, leading to significant hermeneutical disputes:
- Some scholars questioned its authenticity
- gyel-tsap claimed passages “conflicting with the root-text” had been “introduced by some ignoramus” (dreyfus-recognizing-reality, p. 26)
- Sa-gya thinkers defend it as authentic and authoritative
Commentarial History
The Treasure was initially received as a “problematic work” by early Tibetan scholars, who found its antirealism difficult to accept (dreyfus-recognizing-reality, p. 24). Interest grew from the early 15th century:
- Yak-don (1348–1414): wrote a literal commentary defending Sakya Paṇḍita’s antirealism
- Rong-don (1367–1449): further defence
- gorampa (1429–1489): definitive Sa-gya commentary; became the standard reading
- sakya-chok-den (1428–1507): independent, philosophically rich commentary (The Defeater)
- gyel-tsap (1364–1432): attempted to reconcile the Treasure with realism
- kay-drup (1385–1438): modelled his Clearing on the Treasure’s outline, claiming to represent its “true intention”
The Treasure is included in the “Eighteen Texts of Great Renown” (གྲགས་ཆེན་བཅོ་བརྒྱད་) studied in the Sa-gya tradition.
Significance
The conflict over the interpretation of this text is one of the defining features of the Sa-gya/Ge-luk philosophical divergence. The debate hinges on whether Dharmakīrti (and Sakya Paṇḍita following him) is genuinely antirealist about universals, or whether his system can be read as compatible with moderate realism.
Pramāṇa and Madhyamaka
The Treasure sits at the intersection of the logico-epistemological tradition and Madhyamaka. The Padmakara introduction to Śāntarakṣita’s Madhyamakālaṅkāra describes it as Sakya Paṇḍita’s “celebrated masterpiece” that “strongly reaffirmed Dharmakirti’s antirealism” against cha-ba’s moderate realist interpretation. This antirealist reading was “accepted as normative by Sakyapas and the other non-Gelugpa traditions” (shantarakshita-madhyamakalankara-intro, pp. 29–30).
Mipham, in his commentary on the Madhyamakālaṅkāra, prefers the antirealist interpretation of Sakya Paṇḍita — an alignment that connects the Treasure to the broader Rimé reassessment of Śāntarakṣita’s synthesis (shantarakshita-madhyamakalankara-intro, p. 30).
Sources
- dreyfus-recognizing-reality — discussed throughout, especially Introduction II and the chapters on universals and ontology
- shantarakshita-madhyamakalankara-intro — the Treasure as reaffirmation of Dharmakīrti’s antirealism; Mipham’s preference for Sakya Paṇḍita’s reading
- sonam-introduction-treasury — comprehensive introduction with chapter-by-chapter summary, key root text verses quoted in Tibetan, structural overview, bibliography of Tibetan commentaries