Mīmāṃsaka
प्रामाण्यवाद: (Prāmāṇyavādaḥ)
In this book, Harirama Tarkavagisa critically assesses the Mīmāṃśa theory of self-luminosity of knowledge. According to Prabhākara, the knower, the object of knowledge and the knowledge itself are apprehended in one go. The Bhaṭṭa Mīmāṃsakas hold that knowledge is inferred through a property called knownness. Murāri Miśra, another Mīmāṃsaka philosopher, holds that knowledge is known in a subsequent knowledge called introspection. Harirāma, following the footsteps of Gaṅgeśa, argues that since sometimes doubt regarding the validity of knowledge arises in the third moment after the origin of knowledge, the validity of the knowledge is apprehended by something other than the totality of the causal conditions of that knowledge. Harirama further argues that there is something wrong with the thesis that knowledge is self-luminious.
शक्तिबाद (Śaktivādaḥ)
In this book, Gadādhara Bhattāchārya presents a theory of the meaning of words. This work is divided into three chapters: 1. Sāmānyakāṇḍa, 2. Viśesakāṣḍa and 3. Pariśiṣtakāṇḍa. In Sāmānyakaṇḍa, the author undertakes a detailed analysis of vṛtti of words. Here one comes across a definition of śakti in terms of which a word denotes its meaning. The theory of anvitābhidhāna has been refuted. In the Viśeṣakaṇḍa, the author undertakes an analysis of the meaning of words denoting an individual and the meaning of the words denoting a universal. Prabhākara theory of meaning has been refuted. This chapter contains an analysis of indexicals and demonstratives. The third chapter viz. Pariśiṣtakaṇḍa contains a defence of the view that the śakti of a word lies in the individual that is qualified by the corresponding universal. Views of several Mīmāṃsaka philosophers have been critically assessed.
शब्दशक्तिप्रकाशिका (Śabdaśaktiprakāśikā (Part-1))
In this book Jagadīa Tarkālaṃkāra presents a detailed analysis of various aspects of śabdapramāṇa from the perspective of Navya-Nyāya. The book starts with a critical assessment of the views of Vaiśeṣika and Mīmāṃsaka philosophers with regard to the veridicality of śabda as a pramāṇa. This is followed by a discourse on the nature of meaningful words, the nature of prākṛti, pratya, nipāta. A definition of a sentence is formulated. The relation between word and meaning in its different aspects has been presented. The book ends with a discussion on the nature and different kinds of samāsa.
शब्दशक्तिप्रकाशिका (Śabdaśaktiprakāśikā (Vol-2))
In the second volume of Śabdaśaktiprakāśikā, Jagadīśa presents a detailed analysis of Prabhākara’s kāryānvitaśaktivāda and refutes this view. Jagadīśa defends the niravacchinna śaktivāda of the words like ākāśa etc. The view of Raghuntha Siromani with regard to the causal nexus of linguistic understanding has been refuted. Jagadisa offers an analysis of the nature of paribhāṣika śabda and argues that proper names given to individuals do not have śakti and they are to be treated as paribhāśaika śabda. Jagadīśa defends the view that śakti resides in all the three loci: the individual, the universal and the relation of samavāya that holds between an individual and the universal. Jagadīśa also refutes the Mīmāṃsaka view that the sentence has lakṣaṇā and the view of Ālaṃkārika regarding the vyāñjanā relation has been rejected. In this book, Jagadīśa offers a detailed analysis of different kinds of lakṣaṇā and in this context, one comes across a criticism of the Prabhākara thesis that the word having lakṣaṇā is not the cause of syntactic knowledge of the sentence. This book ends with an analysis of the nature of yogaruḍa śabda.