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== Four Factors of Cognition ==

== Four Factors of Cognition ==

Four basic factors make up the system of recognition. Vatsyayana Bhashya of Nyayasutras defines the 4 components as follows<blockquote>तत्र यस्येप्साजिहासाप्रयुक्तस्य प्रवृत्तिः स प्रमाता । स येनार्थं प्रमिणोति तत्प्रमाणं । योऽर्थः प्रतीयते तत्प्रमेयं । यदर्थविज्ञानं सा प्रमितिः । चतसृषु चैवंविधास्वार्थतत्वं परिसमाप्यते । (Vats. Bhas. Intro Before Sutra 1)<ref name=":5">Pt. Gangadhara Sastri Tailanga. (1896) The Nyayasutras with Vatsayana's Bhashya and Extracts from the Nyayavarttika and the Tatparyatika. ([https://archive.org/details/NyayaBhashyam-GangadharaTailanga/page/n48 Page 48 of PDF]) Benares : E. J. Lazarus & Co</ref></blockquote><blockquote>tatra yasyepsājihāsāprayuktasya pravr̥ttiḥ sa pramātā । sa yenārthaṁ pramiṇoti tatpramāṇaṁ । yo'rthaḥ pratīyate tatprameyaṁ । yadarthavijñānaṁ sā pramitiḥ । catasr̥ṣu caivaṁvidhāsvārthatatvaṁ parisamāpyate । (Vats. Bhas. Intro Before Sutra 1)</blockquote>

Four basic factors make up the system of recognition according to Nyaya darshana. Since all the fundamental aspects of cognition are explained in this shastra sutras from Nyaya are taken as a standard. Vatsyayana Bhashya of Nyayasutras defines the 4 components as follows<blockquote>तत्र यस्येप्साजिहासाप्रयुक्तस्य प्रवृत्तिः स प्रमाता । स येनार्थं प्रमिणोति तत्प्रमाणं । योऽर्थः प्रतीयते तत्प्रमेयं । यदर्थविज्ञानं सा प्रमितिः । चतसृषु चैवंविधास्वार्थतत्वं परिसमाप्यते । (Vats. Bhas. Intro Before Sutra 1)<ref name=":5">Pt. Gangadhara Sastri Tailanga. (1896) The Nyayasutras with Vatsayana's Bhashya and Extracts from the Nyayavarttika and the Tatparyatika. ([https://archive.org/details/NyayaBhashyam-GangadharaTailanga/page/n48 Page 48 of PDF]) Benares : E. J. Lazarus & Co</ref></blockquote><blockquote>tatra yasyepsājihāsāprayuktasya pravr̥ttiḥ sa pramātā । sa yenārthaṁ pramiṇoti tatpramāṇaṁ । yo'rthaḥ pratīyate tatprameyaṁ । yadarthavijñānaṁ sā pramitiḥ । catasr̥ṣu caivaṁvidhāsvārthatatvaṁ parisamāpyate । (Vats. Bhas. Intro Before Sutra 1)</blockquote>

#The Prama (प्रमा) or Pramiti  : the valid knowledge (of an object), the right understanding

#The Prama (प्रमा) or Pramiti  : the valid knowledge (of an object), the right understanding

#The Prameya (प्रमेयः) : the knowable, the object to be known, the object of valid knowledge

#The Prameya (प्रमेयः) : the knowable, the object to be known, the object of valid knowledge

#Naiyaayikas recognize 4 Pramanas - pratyaksha (perception), anumana (inference), shabda and Upamana (comparison) as the means of knowledge.

#Naiyaayikas recognize 4 Pramanas - pratyaksha (perception), anumana (inference), shabda and Upamana (comparison) as the means of knowledge.

#Prabhakara school of Purva Mimamsa accepts 5 Pramanas - pratyaksha (perception), anumana (inference) and shabda or agama (verbal testimony) and Upamana (comparison) and arthaapatti (presumption) as the means of knowledge.

#Prabhakara school of Purva Mimamsa accepts 5 Pramanas - pratyaksha (perception), anumana (inference) and shabda or agama (verbal testimony) and Upamana (comparison) and arthaapatti (presumption) as the means of knowledge.

#Kumarilabhatta school of Purva Mimamsa and Advaita Vedanta of Uttara Mimamsa school both accept 6 pramanas - Pratyaksha (perception), Anumana (inference), Shabda or aagama (verbal testimony) and Upamana (comparison), Arthaapatti (presumption) and Anupalabdhi (negation or non-apprehension) as the means of knowledge.

#Kumarilabhatta school of Purva Mimamsa and Advaita Vedanta of Uttara Mimamsa school both accept 6 pramanas - Pratyaksha (perception), Anumana (inference), Shabda or Agama (verbal testimony), Upamana (comparison), Arthaapatti (presumption) and Anupalabdhi (negation or non-apprehension) as the means of knowledge.

#Pauranikas admit the above 6 with the addition of Sambhava (probability or inclusion)  and Aitihya (tradition or rumour).

#Pauranikas admit the above 6 with the addition of Sambhava (probability or inclusion)  and Aitihya (tradition or rumour).

#Tantrikas recognize, along with the above 8, Chesta (indication) as the means of knowledge.

#Tantrikas recognize, along with the above 8, Chesta (indication) as the means of knowledge.