Being and Nothingness was "a pretentious metaphysical thesis" and "principally an exercise in misusing the verb 'to be'." The philosopher William Barrett, writing in "Irrational Man" (1958), described "Being and Nothingness" as "a great, uneven, brilliant and verbose tome". He noted Sartre's debts to Heidegger, but nevertheless credited him with originality. He criticized Sartre for neglecting Heidegger's "notion of the truth of Being", his understanding of what it means for a subject or object to be. In his view, Sartre failed to "deal with the problem of truth in a radical and existential way", instead viewing truth in "the ordinary intellectualistic sense that
Dexippus (philosopher) Dexippus (philosopher) Dexippus (; fl. 350) was a Greek philosopher, a pupil of the Neoplatonist Iamblichus, belonging to the middle of the 4th century AD. He wrote commentaries on Plato and Aristotle of which one, an explanation and defense of the Aristotelian Categories, is partially extant. In this work Dexippus explains to one Seleucus the Aristotelian Categories, and endeavours at the same time to refute the objections of Plotinus. He also advocated the harmony of the philosophies of Plato and Aristotle. A Latin edition edited by Félicien was published under the title "Quœstionum in Categorias Libri Tres" in 1549. The