[Pramāṇa](https://indike.org/pramana/) › [Indian literature](https://indike.org/pramana/in) › [Jain Literature](https://indike.org/pramana/in.jaina) › [The four Anuyogas ("expositions")](https://indike.org/pramana/in.jaina.anuyoga) › [Ontology, epistemology and logic](https://indike.org/pramana/in.jaina.anuyoga.phil) › [Ontology and doctrine (the Tattvārtha tradition)](https://indike.org/pramana/in.jaina.anuyoga.phil.tattva) › Tattvanishcaya # Tattvanishcaya (Tattvaniścaya) तत्त्वनिश्चय - **Language:** Sanskrit - **Date:** 200–1400 CE - **Author:** [Pravarakīrti](https://indike.org/pramana/person/pravarakirti) - **Text:** not yet digitised (catalogue entry) --- Source: [https://indike.org/pramana/in.jaina.anuyoga.phil.tattva.tattvaniscaya](https://indike.org/pramana/in.jaina.anuyoga.phil.tattva.tattvaniscaya) · Pramāṇa