MOSTAFA MAHAOUI: Delving into the Eastern Roots of Logic (2024)

Introduction:

Logic, a cornerstone of rational thought, is often attributed to Aristotle, with its genesis traced back to 4th century BC Greece amidst the flourishing era of Greek philosophy. However, a deeper exploration reveals that the origins of logic, and Aristotelian logic in particular, stretch back to earlier Eastern civilizations, where this mode of thought not only predated its Greek counterpart but also played a pivotal role in its development. This concise research delves into the schools that meticulously crafted the foundation of logic in India and China, long before its emergence in Greece, and examines how their contributions indelibly shaped the trajectory of Greek logic.

Indian Logic: A Legacy of Rigorous Reasoning

In his seminal work, "History of Logic," Alexander Makovetsky aptly acknowledges the existence of Indian logic, asserting its equivalence to Aristotelian logic in terms of originality, rationality, and its comprehensive definition as the science of thought, the science of the laws of reason, and the science of epistemology. Among the Indians, logic was intricately intertwined with rhetoric and the art of speech. The vibrant philosophical debates, where proponents of diverse currents vigorously defended their concepts and presented compelling arguments against opposing views, served as a catalyst for the birth of logic in India. Consequently, logic initially found its moorings in the theory of rhetorical art, with logical theories seamlessly interwoven with rhetorical principles. These ancient texts emphasized the importance of avoiding emotional states such as stress, depression, or anger during discourse, as these states could adversely impact the coherence and validity of speech.

Among the numerous schools that flourished in India, each with a keen interest in logic, were the Nyaya, Vaisheshika, Sarvaka, and Jaina schools.

Nyaya School: The Quintessence of Syllogism

The Nyaya school, attributed to Gautama, derives its name from the Sanskrit word "nyaya," signifying the proof or method that reason employs to arrive at the correct conclusion or universal truth. The hallmark of this school was its meticulous development of a rigorous system of logic. It established clear-cut rules, delineated the criteria and forms of syllogisms, meticulously distinguished between valid and invalid arguments, and postulated that the validity and invalidity of a syllogism hinge upon the presence or absence of specific symptoms.

In contrast to Aristotelian logic, which progresses from two premises to a conclusion, Nyaya logic unfolds through a structured five-step process:

  1. Articulation of the thesis to be established

  2. Presentation of the rationale underpinning the thesis

  3. Introduction of an example that embodies a rule relevant to supporting the thesis

  4. Exposition of the relationship between the rule and the thesis in the context of the provided proof

Gautama's seminal example in the Nyaya Sutra aptly illustrates this process:

(1- Fire exists on the hill

(2- Because smoke is present there

(3- Wherever smoke exists, fire is also present, as evidenced in the kitchen

(4- Smoke is associated with the fire on the hill

(5- Therefore, fire exists on the hill

The Nyaya school's purview extended beyond syllogism, encompassing a thorough examination of potential fallacies that could ensnare the thought process. To safeguard against these common pitfalls, Nyaya philosophers meticulously compiled a comprehensive list of fallacies or common errors to be meticulously avoided.

Note:

It is noteworthy that Aristotelian syllogism was not entirely unknown to ancient civilizations. In fact, Indian syllogism, with its five-premise structure, could be considered the true foundation upon which Aristotelian syllogism was later built. Furthermore, the Indians' profound contributions to linguistic studies and debate, the bedrock upon which logic rests, should not be overlooked.

The Reality of Sophistry in the East:

While sophistry is often associated with ancient Greece, it's important to recognize that similar philosophical movements emerged in other parts of the world, including India. Similar to their Greek counterparts, Indian sophists were particularly interested in rhetoric, debate, language, and dialectics. However, they distinguished themselves by vehemently rejecting the authority of the Vedas, the sacred Hindu scriptures. This stark contrast with traditional Hindu beliefs set them apart and allowed them to claim a monopoly on true knowledge.

The Power of Persuasion:

Indian sophists were renowned for their exceptional oratory skills. Their mastery of language enabled them to construct compelling arguments that could support or refute any given proposition. This ability to manipulate perspectives and present opposing viewpoints simultaneously was a hallmark of their approach. In this aspect, they shared a common trait with their Greek counterparts.

Spreading Their Teachings:

Indian sophists strategically chose specific times of the year, often coinciding with religious festivals and rituals, to disseminate their teachings. These gatherings provided them with a captive audience eager to engage in intellectual discourse. They offered their instruction in logic, emphasizing its power as a tool for convincing others of any desired conclusion.

Language and Dialectics in India:

The Indian interest in rhetoric, debate, and discussion stemmed from a deep fascination with language itself. Linguistic studies have a long and rich history in India, predating many other civilizations. Indian scholars made significant contributions to the field of linguistics, establishing themselves as pioneers in this domain.

Conclusion:

India boasts a vibrant intellectual heritage, marked by advancements in philosophy, logic, and various sciences. Indian thinkers actively engaged in philosophical inquiry, exploring fundamental questions of knowledge and existence. Their contributions laid the groundwork for subsequent philosophical developments, and their influence extended beyond India's borders, reaching Greece and shaping the trajectory of Western thought.

The Significance of Indian Logic:

Logic was a cornerstone of many Indian philosophical schools. Some scholars argue that Indian logic served as the foundation for Aristotelian logic, a pivotal development in Western philosophy. While Aristotelian logic gained prominence in Europe, the Middle East, and parts of Asia, Indian logic flourished in China, Japan, Tibet, Mongolia, the Philippines, and Indonesia. This widespread adoption underscores the originality and significance of Indian logic.

The origins of Chinese philosophy can be traced back to the thoughts of Lao Tzu (604 BCE) and Confucius (551 BCE). By studying Confucius' philosophy, it becomes clear that he understood logic and made significant contributions to the field. A reader can hardly browse any of Confucius' books without finding logic taking center stage in both topics and terminology. In fact, he does not establish a rule or claim a theory in any of his books without supporting it with arguments constructed according to the principles of this agreed-upon science.

While Aristotle acknowledges Socrates' contribution to the development of definitions through his investigation into the essences of things, a study of Confucius' philosophy reveals that the Chinese sages preceded the Greek sage in this idea and have valuable and admirable texts on the subject. Confucius also paid attention to the issue of correspondence between words and meanings, or between names and their referents.

Confucius recognized the close relationship between words and meanings, or between names and their referents, and the role they play in society, order, and the fulfillment of duty. If names do not exactly correspond to their referents, confusion arises in language, and if confusion arises in language, nothing of the commands of public order can be carried out.

For this reason, Confucius speaks of the rectification of names (zheng ming), which is the correct use of words. This means that the word must correspond to reality.

As for syllogism, Confucius used the syllogism that proceeds from premises that are universally accepted to a conclusion that necessarily follows from them. However, Confucius only recognized syllogisms that conformed to the correct and precise forms whose products cannot be challenged in any way. Here, it should be noted that the forms of syllogism in Chinese logic differ from those in Greek logic. The Chinese believed that mentioning the major premise of the syllogism is not useful and therefore should be omitted. Instead of the syllogism:

All humans are mortal. Socrates is a human. Therefore, Socrates is mortal.

We find the Chinese syllogism:

Socrates is a human. Therefore, he is mortal. Or, Socrates is mortal because he is a human.

Confucius also frequently resorted to the serial syllogism, which is based on counting a series of syllogisms, each of which takes the conclusion of the previous syllogism as a premise from which it proceeds in the new syllogism.

It can be said that Confucius' teachings and philosophy gained great fame and success, as his philosophy was able to have an extension that lasted through the ages to this day. It had an impact on Chinese thought and various other fields such as education, politics, and ethics. He can also be considered the philosopher who paved the way for logical thinking through his research into definitions, names, words, and the meanings of words and the relationship between them. This is, in fact, one of the important topics that logic is concerned with. Logic was also known to Mei-ti, the leader of the utilitarian school, and to the sophists and the Mohist school, who were known for their rhetoric, debate, and logic.

In addition to these many schools that emerged in China, a group of thinkers who were known for their eloquence, rhetoric, and power of knowledge and their love of victory through the strength of argument became famous in the 5th and 4th centuries BCE. These thinkers were known as "Ming Jia," which means "the dialecticians," and some others called them "the sophists." This school was based on the denial of absolute truth and the belief that all truth is relative and related to the individual because he is the measure of all things. Here, we notice that this school meets in many essential points with the school of the Sophists in Greece in terms of their interest in rhetoric, debate, and the pursuit of victory through argument. There is no doubt that anyone whose goal is this must manipulate words and use all means to achieve their goal. The Chinese Sophists also agree with the Greek Sophists in considering truth to be relative and related to man alone.

The Mohist School was a prominent school of Chinese thought founded by Mozi in 479 BC. Mozi was a significant figure in ancient Chinese history and a contemporary and rival of Confucius.

The Mohists were interested in politics, science, induction, deduction, linguistics, and logic. Mozi's epistemological framework was based on the notion of logical reasoning to attain truth. He is widely regarded as the pioneer of formal logic, which Aristotle later developed in Greece. Mozi's logic relied on empirical induction, and he also emphasized the transition from the concrete to the abstract. Additionally, the Mohists stressed the importance of defining and clarifying terms due to the multiple meanings in the Chinese language. They argued that the lack of precise and clear definitions of things leads to cognitive confusion. The Mohists also addressed various other logical issues, such as reciprocal analogy, cause and effect, and the relativity of space.

The Mohists were skilled rhetoricians who used their abilities to spread their principles. Rhetoric flourished due to the school's focus on developing debate and persuasion techniques. Mozi himself was considered one of China's greatest debaters, earning him the title of the founder of Chinese logic. Consequently, the Mohist ideas are considered highly valuable and significant in the history of logic.

From the foregoing, it is evident that China, alongside India, established one of the earliest human philosophies. Undoubtedly, our exploration of various Chinese philosophers and schools reveals the diversity and richness of the issues they raised and investigated, spanning philosophy, ethics, politics, logic, and other fields. Their contributions to logic were particularly noteworthy, particularly Confucius's pursuit of definitions and the relationship between names and their referents. Confucius advocated for "rectifying names" and employed syllogism. Additionally, the sage Mei Ti focused on syllogism and induction, while the Chinese Sophists were renowned for their eloquence and rhetorical skills. The Mohist school, on the other hand, concentrated on science, induction, deduction, linguistics, rhetoric, and logic.

MOSTAFA MAHAOUI: Delving into the Eastern Roots of Logic (2024)
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