Often translated simply as "logic," the Sanskrit word _nyāya_ means "rule of reasoning" or "method of reasoning." Texts from the school of classical Indian philosophy that bears this name are concerned with cognition, reasoning, and the norms that govern rational debate. This translation of selections from the early school of Nyāya focuses on its foundational text, the _Nyāya-sūtra_, with excerpts from the early commentaries. It will be welcomed by specialists and non-specialists alike seeking an accessible text that both represents some (...) of the best of Indian philosophical thought and can be integrated into courses on Indian philosophy, religion, and intellectual culture. (shrink)

From the early modern period, Western epistemologists have often been concerned with a rigorous notion of epistemic justification, epitomized in the work of Descartes: properly held beliefs require insulation from extreme skepticism. To the degree that veridical cognitive states may be indistinguishable from non-veridical states, apparently veridical states cannot enjoy high-grade positive epistemic status. Therefore, a good believer begins from what are taken to be neutral, subjective experiences and reasons outward—hopefully identifying the kinds of appearances that properly link up to (...) the world and those that do not. Good beliefs, beliefs that are justified (warranted, etc.), are those that a believer has .. (shrink)

Recently, Jonardan Ganeri reviewed the collaborative translation of the first chapter of Gaṅgeśa's Tattvacintāmaṇi by Stephen H. Phillips and N. S. Ramanuja Tatacharya (Ganeri 2007). The review is quite favorable, and we have no desire to dispute his kind words. Ganeri does, however, put forth an argument in opposition to a fundamental line of interpretation given by Phillips and Ramanuja Tatacharya about the nature of pramāṇa, knowledge sources, as understood by Gaṅgeśa and, for that matter, Nyāya tradition. This response is (...) meant to answer the argument and reassert an understanding of pramāṇa as factive, that is, as knowledge sources that are inerrant. We argue that this is the best reading of Gaṅgeśa himself .. (shrink)

Much of classical Hindu thought has centered on the question of self: what is it, how does it relate to various features of the world, and how may we benefit by realizing its depths? Attempting to gain a conceptual foothold on selfhood, Hindu thinkers commonly suggest that its distinctive feature is consciousness (caitanya). Well-worn metaphors compare the self to light as its awareness illumines the world of knowable objects. Consciousness becomes a touchstone to recognize the presence of a self. A (...) rock is insentient, void of consciousness, and purely an object. Selves, however, are loci of awareness and thus subjects. Some schools, most notably classical Sāṁkhya and Advaita Vedānta, take this approach to its furthest conclusion: consciousness is not only unique to the self, but is the fundamental feature of selfhood. Other putative features of the self—feelings, memories, moral responsibility, and importantly, agency (kartṛtva)—are taken to be the impositions of insentient matter (prakṛti) or symptoms of primordial illusion (avidyā). Against this position, Nyāya defends a more robust notion of selfhood, placing qualities like desire, aversion, volition, and moral responsibility alongside cognition as the self’s distinctive qualities. These various aspects of selfhood come together neatly when we consider agency. An agent performs intentional actions under her volition, which is triggered by her own cognitive and affective states. Her volitional acts further generate moral consequences which she must bear, and which are, in the Indian context, embodied in the form of karmic merit and demerit. For Nyāya, agency is, therefore, a special expression of the self’s different capacities and potentialities, which coherently binds them together. Nyāya’s view is an important contribution to Indian theories of self as it is a counterpoint to what we may call exclusively cognitive accounts of selfhood in other influential Hindu schools, as noted above. The first half of this paper will consider Nyāya’s conception of agency in relation to selfhood. The second half will discuss Nyāya’s arguments with other Hindu schools—specifically Sāṁkhya—in support of the thesis that the self must be an agent as well as a knower. (shrink)

This is an overview of the Nyaya ("Logic") school of classical Indian philosophy, focusing on the earlier period (up to roughly 1000 CE).

Recent studies of Nyäya’s account of testimony have illustrated its anticipation of contemporary testimonial antireductionism, the position that testimony cannot be reduced to a more fundamental means of knowledge like inference or perception. This paper discusses another relevant but less discussed anticipation of current debate, involving the status of speaker belief in testimonial exchange. Is a speaker’s veridical apprehension of the content of his utterance a necessary condition on testimonial exchange? This was a source of much disputation among Indian epistemologists, (...) particularly Naiyäyikas (adherents of the Nyäya, or “Logic” school) and Mimamsakas(adherents of the Mimamsa, or “Exegete” school). (shrink)

Pakṣilasvāmin Vātsyāyana (c. 450 CE) is the author of the Commentary on Nyāya (Nyāya-bhāṣya), the first full commentary on the Nyāya-sūtra of Gautama (c. 150 CE), which is itself the foundational text of the school of philosophy called “Nyāya.” The Nyāya tradition is home to a number of leading voices within the classical Indian philosophical scene and is celebrated in later doxographies as one of the six “orthodox” systems of Hindu thought. Given the way that sūtra texts and their first (...) commentaries are profoundly intertwined, Vātsyāyana’s work provides a formative vision of Nyāya’s self-conception as a philosophical system as well as interpretive strategies, central lines of argumentation, and determinations of importance that later Naiyāyikas (Nyāya philosophers) often take to be as much as a given as the original text itself. Along with its sustained defense of metaphysical realism across various fronts, Nyāya is best known for its achievements in epistemology and logic, and as indicated by the title of this chapter, the lens through which we will explore Vātsyāyana’s thought is his theory of knowledge. We will give special attention to his account of the nature and importance of cognition as a guide to action and will illustrate the way in which this theme informs a number of apparently distinct elements of his project including his realism, his account of epistemic entitlement, and his notion of philosophy’s contribution to living well. (shrink)

There are some tantalizing suggestions that Pyrrhonian skepticism has its roots in ancient India. Of them, the most important is Diogenes Laertius’s report that Pyrrho accompanied Alexander to India, where he was deeply impressed by the character of the “naked sophists” he encountered (DL IX 61). Influenced by these gymnosophists, Pyrrho is said to have adopted the practices of suspending judgment on matters of belief and cultivating an indifferent composure amid the vicissitudes of ordinary life. Such conduct, and the attitudes (...) that it embodied, became inspirations to later skeptical thinkers. It is a fact that practices of the sort attributed to Pyrrho are richly evident in a number of ancient Indian philosophical and ascetic movements. On this basis, attempts have been made to determine the identity of these gymnosophists and, further, to pinpoint the dialectical tropes within Pyrrhonism that may have their basis in Indian thought. But despite these attempts, and in the absence of any new discoveries, these suggestions will likely remain just that. The paucity of the historical data and the problematic nature of the data itself prevent us from reconstructing a solid bridge between ancient India and Greek skepticism that may serve as the basis of robust historical theorizing. Classical India does, however, lay claim to a sophisticated and diverse culture of epistemological reflection, which includes a number of innovative skeptical thinkers deserving study on their own merits. This chapter is meant to provide such a study, or perhaps more accurately, a prolegomena for such. After some initial ground-laying, I will discuss three leading Indian skeptics and situate them historically and conceptually within the network of competing schools that comprise classical Indian philosophy. They are Nāgārjuna (c. 150 CE), the founder of Madhyamaka Buddhism, Jayarāśi (c. 800), associated with the Indian materialist tradition, and Śrīharṣa (c. 1150), a thinker connected to the school of Nondual (Advaita) Vedānta. (shrink)

This paper examines of the intersection of theism and philosophy in classical Indian thought, focusing on the rational theology of Nyaya and the revealed theology of Vedanta. I also consider anti-theistic arguments, primarily by classical Buddhists.

In classical India, debates over rational theology naturally become the occasion for fundamental questions about the scope and power of inference itself. This is well evinced in the classical proofs for God by the Hindu Nyāya tradition and the opposing arguments of classical Buddhists and Mīmāsā philosophers. This paper calls attention to, and provides analysis of, a number of key nodes in these debates, particularly questions of inferential boundaries and whether inductive reasoning has the power to support inferences to wholly (...) unique entities (like God). (shrink)

This is a select annotated bibliography of literature on the famous Six Systems of orthodox Hindu philosophy.

Vatsyayana's Commentary on the Nyaya-sutra is one of classical India's most important philosophical works.

The work of three present-day Sankritist-philosophers, _God and the World's Arrangement_ allows readers to engage directly with writings of the classical Indian philosophers Śaṅkara and Vācaspati, as well as some of their most acute critics, on the question of whether the existence of a creator God can be known by reason alone. Carefully selected and annotated with the needs of students foremost in mind, these new translations will be of interest to anyone wishing to see up close a newly set (...) gem of our philosophical inheritance from global antiquity. (shrink)

An ongoing effort, exemplified though happily not exhausted in the work of B. K. Matilal, is to present the best of classical Indian philosophy in a way that speaks to contemporary philosophical concerns, while still being historically and philologically responsible. Epistemology in Classical India: The Knowledge Sources of the Nyāya School by Stephen Phillips is expressly this kind of work. Phillips begins by explaining that his book is “for philosophers and students of philosophy, not for specialists in classical Indian thought” (...) (p. 1). His project is to engage with a range of classical texts and contemporary philosophy, in order to offer the Nyāya theory of knowledge as a coherent system. A welcome feature of .. (shrink)

Chakravarthi Ram-Prasad's delightful and challenging little book does not fit easily into the standard categories available for academic excursions into philosophy. It is, to simplify, a venture in constructive philosophical theology, centered on questions of being and selfhood, which takes the form of a reflection upon the Bhagavad-gītā commentaries written by two of India's leading philosopher/theologians, Śaṅkara (c. 8th century CE) and Rāmānuja (c. 11th century CE). While Ram-Prasad does try to argue for the best readings of Śaṅkara and Rāmānuja, (...) the book should not be misunderstood as a "merely" historical work. Ram-Prasad looks to the classical thinkers, and indeed the ancient text of the Bhagavad-gītā itself, for enduring insights into the nature of being. It speaks to a number of sub-disciplines within philosophy, including metaphysics, history of philosophy, Indian philosophy, philosophy of religion, and comparative philosophy/theology. (shrink)

For those of us who work in Indian philosophy, these are encouraging times, with reasons for guarded optimism that the broader philosophical community will slowly continue to realize the quality and depth of Indian responses to perennial philosophical problems. Across the profession, there is increased awareness of the sheer historical contingency behind the political, social, and distinctively academic structures which perpetuate the myopic idea that Philosophy proper is a cultural practice tied to a fairly narrow tradition that began with Thales (...) and terminates in the work of (largely) English-speaking thinkers in American and European universities. The last few decades have also witnessed the emergence of a group of scholars who are both expert in contemporary philosophy and historical research into Indian thought, and capable of bringing the latter into conversation with the former in fruitful ways. Against this background, one chief requirement of the times is work that provides philosophically sophisticated introductions to Indian philosophical thought. We need something, after all, to give to people who wish to learn about Indian thought without having to develop the competence to understand technical material or who would like to include something from India within an undergraduate course on Philosophy. Amber Carpenter’s Indian Buddhist Philosophy, published within Acumen’s Ancient Philosophies series is indeed this very sort of work, and succeeds admirably at achieving the right tone, neither setting the bar too high, nor ignoring the work of accurate philosophical and historical reconstruction. It also tackles an ambitious range of material without sacrificing serious philosophical engagement and appropriate contextualization. (shrink)

Review of the book Indian Buddhist Philosophy, by Amber Carpenter. Durham: Acumen Publishing, 2014.