Philosophical Discourse (सम्भाषा)

Philosophical Discourse (Samskrit: सम्भाषा) or participating in philosophical debates is considered one of the three methods to obtain knowledge; the other two being, adhyayana (study) and adhyapana (teaching), says the Charaka Samhita.

अध्ययनमध्यापनं तद्विद्यसम्भाषा चेत्युपायाः ॥४॥ adhyayanamadhyāpanaṁ tadvidyasambhāṣetyupāyāḥ ॥4॥

Meaning: To this end, we shall indicate the means viz. study, teaching and discussion with those versed in the same subject.

This article is an introduction to the science of 'Tadvidya Sambhasha' (debate between experts of same field).

परिचयः ॥ Introduction

There was a long and a time-honored tradition in ancient India where philosophers and thinkers met to discuss metaphysical issues over which there were multiple views. There are detailed narrations of such discussions, debates and dialogues recorded in Chandogya Upanishad, Brhadaranyaka Upanishad and Prashna Upanishad.

Few other terms that the other early texts such as Aitareya Brahmana, Kathopanishad and others use in this context include:

• Tarka (reasoning)
• Vada (debate)
• Yukti (sustained arguments)
• Prameya (object of knowledge),
• Pramana (proof),
• Nirnaya (ascertainment) etc.

These later became the principal terminologies of the Nyaya School. While the Manu Samhita and Maharshi Panini's Ashtadhyayi mentioned the idioms of inquiry (Anveshiki) dealing with the theory of reasons (Hetu vidya or Hetu shastra).

व्युत्पत्तिः ॥ Etymology

Shabdakalpadruma explains Sambhasha as Sambhashana. It says,

सम्भाषा सम्भाषणम् ॥ sambhāṣā sambhāṣaṇam ॥

And Sambhashana is,

सम्भाषणं कथनम् । आलापनम् । sambhāṣaṇaṁ kathanam । ālāpanam ।

Vachaspatya highlights 2 aspects of conversing. That is,

1. सम्यक्कथने (samyakkathane | approprite speech/conversation)
2. परस्परकथने च (parasparakathane | conversing with each other)

सम्भाषायाः इतिहासः ॥ History of Sambhasha

The methodology of philosophical debate in India, gave rise to the study of the form of correct arguments and inference patterns as part of the science of Logic.

आन्वीक्षिकी ॥ Anvikshiki

The science of inquiry, Atmavidya, was at a later stage called Anvikshiki. However, while comprising the entire function of Atmavidya, Anvikshiki, was in fact different from it. Kautilya recognized Anvikshiki as a distinct branch of study over and above the three, viz, Trayi (the Vedas), Vartta (Commerce) and Dandaniti (Polity).

आन्वीक्षिकी त्रयी वार्त्ता दण्ड-नीतिश्चैति विद्याः ।। ०१.२.०१ ।। ānvīkṣikī trayī vārttā daṇḍa-nītiścaiti vidyāḥ ।। 01.2.01 ।।

The distinction between Atmavidya and Anvikshiki lay in this, that while the former embodied assertions about the nature of atman, the latter contained reasons supporting those assertions. Therefore, Anvikshiki dealt in fact with two subjects, viz. atman and hetu (theory of reasons). Later on, Anvikshiki was recognized as a distinct branch of learning that bifurcated into two branches - philosophy and logic. And this logic, developed in ancient India through the tradition of Vada Vidya, a discipline dealing with the categories of debate over various religious, philosophical, moral and doctrinal issues. Hence, Sambhasha is also called as Vada (discussion) in many texts. This concept of Vada is derived from the Nyaya darshana. It is said that,

प्रमाणतर्कसाधनोपालम्भः सिद्धान्ताविरुद्धः पञ्चावयवोपपन्नः पक्षप्रतिपक्षपरिग्रहः वादः ।।१।।

pramāṇatarkasādhanōpālambhaḥ siddhāntāviruddhaḥ pañcāvayavōpapannaḥ pakṣapratipakṣaparigrahaḥ vādaḥ ।।1।।

Amongst the 44 Vada marga padas (logical terms used in debate), the first one is Vada. It refers to a debate following the laws of shastra (text) ie. it should have 5 avayavas, paksha (in favour) and Pratipaksha (in opposing side) both laid down on the basis of Pramana (parametres of evidence) and tarka (logical reasoning).