A cache of 11th-century palm-leaf manuscripts has been discovered in a private collection in Mithila, the historic center of Indian logic. The primary text, 'Anumana-Siddhi-Prakasha', offers a groundbreaking critique of the theories of 'Vyapti' (universal pervasion) held by competing schools of the time.
The manuscript introduces a previously unknown 'logic of probability' that allowed medieval thinkers to handle inductive uncertainty with greater precision. Scholars believe this text was a critical precursor to the Navya-Nyaya school, demonstrating a high level of mathematical and logical sophistication in 11th-century Indian thought.