caption death_date death_place era birth_place school_tradition color influences name birth_date image article_title region
'' matenadaran , ms. 1746 -rrb- definition of philosophy '' , ca. 1280 -lrb- 6th century ad armenia ancient philosophy athens neoplatonic school #b 0c4de aristotle , plato david the invicible 6th century ad david anhaght.jpg david the invincible
 western philosophy
david the invincible

david the invincible -lrb- classical -rrb- was a 6th-century armenian philosopher .
he is best known as the author of several works including `` definition of philosophy '' and `` exegesis of aristotle '' .
he was the member of neoplatonic school and the founder of a non-religious branch of medieval armenian philosophy .
