What was Dignaga's major contribution to Indian philosophy?

He established the 'Pramanasamuccaya', shifting the focus of Buddhist thought toward logic and epistemology to defend Buddhist tenets against rivals.

Identify Buddhist & Vaishnava Scholars: Dignaga & Nathamuni

Q: With reference to Indian history, consider the following pairs: 1. Aryadeva - Jaina scholar 2. Dignaga - Buddhist scholar 3. Nathamuni - Vaishnava scholar How many pairs given above are correctly matched?

Dignaga was a famous Buddhist logician, and Nathamuni was a prominent Vaishnava scholar. Aryadeva, however, was a Mahayana Buddhist philosopher, not a Jaina scholar.

ID: HIS_PHI_2022_04 Ref: A History of Ancient and Early Medieval India by Upinder Singh

With reference to Indian history, consider the following pairs:
1. Aryadeva - Jaina scholar
2. Dignaga - Buddhist scholar
3. Nathamuni - Vaishnava scholar
How many pairs given above are correctly matched?

With reference to Indian history, consider the following pairs:1. Aryadeva - Jaina scholar2. Dignaga - Buddhist scholar3. Nathamuni - Vaishnava scholarHow many pairs given above are correctly matched?

With reference to Indian history, consider the following pairs:
1. Aryadeva - Jaina scholar
2. Dignaga - Buddhist scholar
3. Nathamuni - Vaishnava scholar
How many pairs given above are correctly matched?