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Q1. Discuss the notion of certitude and its different types. 20 Or Discuss Nyaya theory of Perception.

Ans. Nyaya Theory of Perception In Indian philosophy, the Nyāya school is one of the most important schools of epistemology. The Nyāya system accepts four valid sources of knowledge (pramāṇas): Perception (Pratyakṣa), Inference (Anumāna), Comparison (Upamāna), and Testimony (Śabda). Among these, Pratyakṣa is considered the most fundamental. According to the Nyāya-sūtra, perception is defined as ‘ Indriyārthasannikarṣajanyaṃ jñānaṃ avyapadeśyam avyabhicāri vyavasāyātmakam pratyakṣam ‘. This means, perception is the cognition that arises from the contact of the sense organs with the object, which is not expressible by words (at the moment of perception), which is not erroneous, and which is determinate. There are two main types of perception in Nyāya: 1. Laukika (Ordinary) Perception: This is the perception that occurs through the normal interaction of sense organs and objects. It is further divided into two:

• External Perception: This occurs through the five external senses: sight (cakṣu), hearing (śrotra), touch (tvak), taste (rasanā), and smell (ghrāṇa). When we see a pot with our eyes, it is an instance of external laukika perception.
• Internal Perception: This occurs through the mind (manas), which functions as an internal sense organ. It gives us knowledge of our internal states like pleasure, pain, desire, and aversion.

2. Alaukika (Extraordinary) Perception:

This is perception that does not happen in the ordinary way. It involves a special kind of contact (sannikarṣa) and may not be accessible to ordinary people. It is of three types:

• Sāmānyalakṣaṇa Perception: This is the perception of a universal (sāmānya) that resides in all objects of a class. When we perceive a cow, we perceive not just the particular cow but also the ‘cowness’ (gotva) in it. This perception of ‘cowness’ gives us an extraordinary knowledge of all cows of that class.
• Jñānalakṣaṇa Perception: This is the perception of a quality belonging to another sense, through memory, while perceiving an object with one sense. For example, on seeing sandalwood from a distance, we ‘perceive’ its fragrance, even though our nose is not in contact with it. This happens because of our past experience and knowledge of sandalwood’s fragrance.
• Yogaja Perception: This is the intuitive and extraordinary perceptual ability possessed by yogis. Through their meditative practices and yogic powers, yogis can have direct knowledge of all objects, past, future, and present, whether they are distant or subtle.

In the process of perception, Nyāya also analyses six types of sense-object contacts (

ṣaḍvidha sannikarṣa

), which are saṁyoga, saṁyukta-samavāya, saṁyukta-samaveta-samavāya, samavāya, samaveta-samavāya, and viśeṣaṇa-viśeṣya-bhāva. These contacts explain how the senses come into contact with different types of objects and their qualities.

In summary, the Nyāya theory of perception presents a detailed and subtle analysis of the genesis of knowledge, encompassing both ordinary and extraordinary experiences, and establishes it as the cornerstone of epistemology.

Q2. Elaborate ‘Justified True Belief’ account of knowledge. 20 Or Discuss and evaluate different theories of truth.

Ans. Elaboration of the ‘Justified True Belief’ Account of Knowledge In epistemology, the analysis of the nature of knowledge has been a central question. In traditional Western philosophy, knowledge has been famously defined as ‘Justified True Belief’ (JTB). This conception can be traced back to Plato’s dialogues, particularly the Theaetetus , and was widely accepted for centuries. According to the JTB account, for a subject ‘S’ to know a proposition ‘P’, the following three conditions must be met: 1. The Belief Condition: The subject S must believe the proposition P. Knowledge is a mental state, and if a person does not believe something, they cannot claim to ‘know’ it. For instance, if I do not believe that Delhi is the capital of India, I cannot say that I know it. 2. The Truth Condition: The proposition P must be true. We can only know things that are actually true. One cannot claim to know something that is false. If a person believes “the Earth is flat,” they do not ‘know’ it, because the proposition is false. Knowledge must have a strong connection to reality. 3. The Justification Condition: The subject S must be justified in believing the proposition P. This means the person must have good reasons or evidence for their belief. Believing a true proposition merely by chance or guesswork does not count as knowledge. For example, if someone buys a lottery ticket and believes they will win for no good reason, and by sheer luck they do win, we would not say they ‘knew’ they would win. Their belief was not justified. The Gettier Problem For almost 2400 years, the JTB model was considered a satisfactory definition of knowledge. However, in 1963, Edmund Gettier challenged this definition in a short paper titled “Is Justified True Belief Knowledge?”. Gettier presented scenarios (now called ‘Gettier cases’) where all three conditions—justification, truth, and belief—were met, but where we would intuitively hesitate to say that the person had knowledge. A classic Gettier case is as follows: Smith and Jones have applied for the same job. Smith has strong evidence to believe that (i) “Jones will get the job” (e.g., the company president told him so). Smith has also observed that Jones has ten coins in his pocket. Smith is therefore justified in believing that (ii) “The man who will get the job has ten coins in his pocket.” But, unbeknownst to Smith, he himself gets the job, and, by coincidence, Smith also has ten coins in his pocket. Now, consider Smith’s belief in (ii):

• It is true (because Smith got the job and has ten coins in his pocket).
• Smith believes it.
• It is justified (because it was based on a valid inference from his justified belief that Jones would get the job and had ten coins).

Thus, Smith has a justified true belief. But would we say that Smith ‘knew’ that “The man who will get the job has ten coins in his pocket”? Most people would say no. His belief turned out to be true because of luck, not because of his justification.

Conclusion

The Gettier problem demonstrated that JTB does not provide sufficient conditions for knowledge. In its wake, epistemologists have made numerous attempts to revise or replace the JTB definition. These attempts include theories like the ‘No False Lemmas’ approach, ‘Defeasibility Theory’, and ‘Reliabilism’, which try to redefine the nature of justification to exclude Gettier cases. Thus, the JTB account remains a crucial foundation in our understanding of knowledge, but it is now seen as an incomplete analysis.

Q3. Answer any two of the following questions in about 250 words each : (a) Describe Holism and its limits. 10 (b) Discuss language game theory of Wittgenstein. 10 (c) Differentiate between externalism and internalism in the context of justification. 10 (d) Differentiate between Abhihitanvaya-vada and Anvitabhidhanavada. 10

Ans. (a) Describe Holism and its limits. In epistemology, Holism is the view that an individual statement, belief, or hypothesis cannot be tested or falsified in isolation. Instead, it can only be understood and tested as part of a whole system of theories or beliefs (a “web”). This idea is most prominently associated with the Duhem–Quine thesis . Pierre Duhem argued that a physics experiment can never test a single hypothesis but always tests an entire group of theoretical assumptions. If an experiment gives an unexpected result, it doesn’t tell us precisely which assumption is wrong. W. V. O. Quine extended this idea further, applying it to all of knowledge, including mathematics and logic. For Quine, the entire web of our beliefs confronts the tribunal of experience as a whole. When a conflicting experience occurs, we can make adjustments anywhere in our web—either by changing empirical beliefs at the periphery or even logical laws near the center. Limits: Holism has its limitations.

• Radical Relativism: A major criticism is that it can lead to a form of relativism where any theory can be maintained in the face of any evidence, simply by making enough adjustments elsewhere in the system. This can make science seem irrational.
• Infalsifiability: If no single hypothesis can be conclusively falsified, the notion of scientific progress is weakened. It allows one to protect pet theories against empirical refutation.
• Practical Difficulty: In practice, scientists often do successfully isolate and test specific hypotheses. Holism struggles to account for this common scientific practice.

Therefore, while holism has provided a crucial insight into the interconnectedness of beliefs, its more radical interpretations can pose problems for our understanding of knowledge and science.

(c) Differentiate between externalism and internalism in the context of justification.

Externalism

and

Internalism

are two major and opposing views in the debate on the nature of justification in epistemology. The debate centers on the question of what factors justify a belief and whether those factors must be accessible to the knower.

Internalism:

Internalism holds that all factors required for justification are ‘internal’ to the knower’s mind. This means that the things that justify a belief—such as other beliefs, evidence, arguments, and perceptual states—must be consciously or reflectively accessible to the knower. For an internalist, you are only justified if you can state or access your reasons for belief. For example, if you believe “It is raining,” the internalist justification would be “because I saw water droplets falling outside the window and heard the sound of thunder.” Here, the justification is based on your internal, conscious experiences. Internalism aligns with our intuition that justification is about being a responsible cognitive agent who can provide reasons for their beliefs.

Externalism:

In contrast, externalism holds that the factors that justify a belief can be ‘external’ to the knower’s mind, and the knower does not need to be aware of or have access to these factors. On the externalist view, what makes a belief justified is the reliability of the process that formed the belief, or a suitable causal connection between the belief and the fact.

A classic example of this is

Reliabilism

. According to this view, a belief is justified if it is produced by a reliable cognitive process (e.g., clear vision, valid reasoning). For instance, a person has an accurate thermometer that shows the correct temperature 99.9% of the time. When she looks at the thermometer and forms the belief “The temperature is 25°C,” an externalist would say her belief is justified because it was produced by a reliable process (reading an accurate thermometer), even if the person doesn’t know how reliable the thermometer is.

Key Difference:

In short, the key difference is about

access

. Internalism demands that the grounds for justification be cognitively accessible to the knower. Externalism rejects this demand and states that justification can depend on external, objective factors, like process reliability, of which the knower herself may have no knowledge.

Q4. Answer any four of the following questions in about 150 words each : (a) Write a note on the different kinds of Alaukika perception. 5 (b) Compare between Anyathakhyati and Viparitkhyati. 5 (c) What is ‘theory-ladenness’ of observation ? 5 (d) Critically evaluate ordinary language theory of G. E. Moore. 5 (e) Write a note on Arthapatti Pramana. 5 (f) What is Naive Realism ? Discuss briefly. 5

Ans. (a) Write a note on the different kinds of Alaukika perception. In Nyāya philosophy, Alaukika pratyakṣa refers to extraordinary perception that does not occur through the normal sense-object contact. It is of three kinds: 1. Sāmānyalakṣaṇa: This is the perception of a class or universal (sāmānya) through an individual. When we perceive a single cow, we also perceive the ‘cowness’ in it. This perception of ‘cowness’ allows us to grasp the essence of all cows—past, present, and future—even those we have not personally seen. 2. Jñānalakṣaṇa: This is the association of different sensory experiences through memory. When we see a piece of sandalwood from a distance (sight), we can ‘perceive’ its fragrance (smell) because our mind associates the visual perception with the memory of the fragrance. It is the perception of a quality associated with one sense through another. 3. Yogaja: This is the intuitive and supernatural perception of yogis, attained through meditation and spiritual discipline. Yogis can transcend the limitations of time and space and have direct knowledge of objects that are past, future, distant, or minute, which is impossible for ordinary individuals. (b) Compare between Anyathakhyati and Viparitkhyati. Anyathākhyāti and Viparītakhyāti are both theories of error (khyāti) in Indian philosophy that attempt to explain how we make mistakes, such as mistaking a rope for a snake. Anyathākhyāti , propounded by the Nyāya-Vaiśeṣika school, means “perceiving something as otherwise.” In this view, error is due to a wrong synthesis. When we see a rope as a snake, both the rope (the object) and ‘snakeness’ (a quality recalled from memory) are real. The error lies in incorrectly conjoining these two realities. We mis-perceive a really existing object as something it is not. It is a misapprehension of a real object. Viparītakhyāti , propounded by the Kumārila Bhaṭṭa school of Mīmāṃsā, means “contrary perception.” It is very close to Anyathākhyāti and is often considered a synonym. Here too, error consists in apprehending one object as another. The emphasis, however, is on it being a “wrong” (viparīta) perception. In essence, both theories agree that error involves the misapprehension of a real object as something else, which contrasts with the Buddhist theory of Asatkhyāti (perception of the unreal). The difference between Anyathākhyāti (Nyāya) and Viparītakhyāti (Mīmāṃsā) is very subtle and mainly one of interpretative emphasis within their respective philosophical systems. (c) What is ‘theory-ladenness’ of observation ? The ‘theory-ladenness’ of observation is a concept in the philosophy of science that suggests observation is not neutral or purely objective. Instead, it is always influenced and shaped by our pre-existing beliefs, concepts, knowledge, and theoretical frameworks. We do not see the world as it ‘really’ is, but rather we see it through the lens of our theoretical assumptions. For example, a layperson and a particle physicist might both look at the same event in a cloud chamber. The layperson might see only “white streaks,” whereas the physicist will ‘see’ “the track of an electron.” The physicist’s observation is ‘laden’ with their theoretical understanding, which allows them to interpret the data as a meaningful pattern. This idea challenges the simple notion that science is based on pure empirical facts. If observations themselves are influenced by theories, it can be difficult to choose objectively between competing theories, as proponents of each might ‘see’ the world differently. (e) Write a note on Arthapatti Pramana. Arthāpatti is an accepted source of knowledge (pramāṇa) in Indian philosophy, particularly in the Mīmāṃsā and Advaita Vedānta schools. It can be translated as “postulation,” “presumption,” or “circumstantial implication.” Arthāpatti is the process by which we hypothesize a new fact to explain an otherwise inexplicable fact. It is employed when we have two apparently inconsistent facts, and we establish their consistency by presuming a third fact. The classic example is: “Devadatta is fat, and he does not eat during the day.” Here, there are two facts: (1) Devadatta is fat, and (2) he does not eat during the day. These two facts seem contradictory, as we know that one cannot become fat without eating. To resolve this contradiction, we postulate a third fact: “Therefore, Devadatta must eat at night.” This conclusion is neither directly perceived nor logically deduced but is a necessary presumption to make sense of the observed facts. Arthāpatti thus allows us to fill gaps in knowledge that cannot be filled by other pramāṇas.

Q5. Write short notes on any five of the following in about 100 words each : (a) Lakshna 4 (b) Coherentism 4 (c) Apohovada 4 (d) Hermeneutics 4 (e) The Capacity of Text 4 (f) Hetvabhasa 4 (g) Confirmational Holism 4 (h) Linguistic turn 4

Ans. (a) Lakshna Lakṣaṇā is one of the three powers of a word in Indian philosophy of language, the other two being Abhidhā (literal meaning) and Vyañjanā (suggested meaning). Lakṣaṇā means the ‘indicative’ or ‘secondary’ meaning. It is used when the primary or literal meaning (abhidhā) of a word is unsuitable or inconsistent in the context. For instance, in the sentence “The village is on the Ganges” (Gangāyāṁ ghoṣaḥ), the village cannot literally be inside the river. Here, through lakṣaṇā, “Ganges” is taken to mean “the bank of the Ganges.” Thus, lakṣaṇā allows us to understand and interpret language more flexibly when the literal meaning fails. (b) Coherentism Coherentism is a theory of justification in epistemology. It claims that a belief is justified if it coheres or is consistent with a system of other beliefs held by a person. It stands in contrast to Foundationalism, which holds that there are certain basic, self-justifying beliefs upon which all other beliefs are based. For a coherentist, no belief is fundamental. Instead, beliefs are seen as an interconnected web or net, with each belief supporting the others. Justification is a relation between a belief and a system, not between a belief and reality. (c) Apohovada Apohavāda, primarily associated with the Buddhist philosopher Dignāga, is a theory of the meaning of words. It is a negative theory which states that the meaning of a word is derived not by pointing to a positive essence or universal, but by excluding all other things. For example, the meaning of the word ‘cow’ does not refer to some intrinsic ‘cowness’, but rather it means ‘that which is not non-cow’. It is the negation of everything that is not a cow. Meaning is thus constructed not through identity but through a process of differentiation and exclusion. (f) Hetvabhasa Hetvābhāsa is a crucial concept in Indian logic, particularly in the Nyāya system. It literally means ‘the semblance of a reason’ or ‘fallacy of the reason.’ It refers to a fallacy where the middle term (hetu) of an inference, which is supposed to prove the conclusion, is not actually valid, though it may appear to be. The validity of an inference (anumāna) depends on the validity of the hetu. Nyāya philosophy identifies five types of hetvābhāsa, such as Savyabhicāra (the irregular middle), Viruddha (the contradictory middle), Satpratipakṣa (the counter-balanced reason), Asiddha (the unproved middle), and Bādhita (the contradicted middle). These represent types of potential errors in reasoning. (h) Linguistic turn The Linguistic Turn was a major development in 20th-century philosophy, especially in analytic philosophy. It refers to a general shift towards the idea that philosophical problems are fundamentally problems of language. According to this view, many traditional philosophical puzzles (about the nature of mind, reality, or being, for example) arise not from profound truths about the world, but from a misunderstanding of the structure and use of our language. Thinkers like Ludwig Wittgenstein, Bertrand Russell, and the logical positivists argued that philosophical problems could be solved, or dissolved, by a careful analysis of the language in which they are expressed.