Nyaya philosophy places a strong emphasis on the use of logic as a means to attain truth and knowledge. In fact, the very name "Nyaya" comes from the Sanskrit word for logic, "nyaya", highlighting the importance of this aspect in the philosophy.

At its core, Nyaya philosophy views logic as a tool for understanding the world and arriving at valid conclusions. It believes that by using logical reasoning, one can overcome ignorance and attain true knowledge. This is in contrast to other schools of Indian philosophy which may rely more on intuition or mystical experiences.

One of the key principles of Nyaya is the concept of "pramana", which refers to valid means of knowledge. According to Nyaya, there are four pramanas - perception, inference, comparison, and testimony - which are reliable sources of knowledge. Logic plays a crucial role in all of these pramanas.

In perception, logic is used to make sense of the information gathered through the senses. It helps in determining what is real and what is not, and allows one to differentiate between different objects and their qualities.

In inference, logic is used to draw conclusions based on observations and evidence. Nyaya philosophy places great importance on the rules of inference, known as "anumana", and believes that by following these rules, one can arrive at valid and reliable conclusions.

Comparison, or "upamana", is another pramana in Nyaya philosophy which relies heavily on logic. It involves comparing a new object or concept to something that is already known, in order to gain a better understanding of it. Through this process, one can arrive at new insights and knowledge.

Lastly, testimony, or "sabda", is also considered a valid means of knowledge in Nyaya philosophy. However, it is not blind acceptance of what others say, but rather a critical evaluation of the testimony and its logical consistency.

In addition to these pramanas, Nyaya philosophy also places a strong emphasis on logical debate and argumentation. It believes that through logical discussions and debates, one can arrive at a deeper understanding of a concept and uncover any flaws in reasoning.

Overall, the role of logic in Nyaya philosophy is crucial. It is seen as a powerful tool for attaining true knowledge and understanding the world around us. By using logic, one can overcome ignorance and arrive at valid conclusions, ultimately leading to the path of truth.