Being and Time describes his project in the following way: "our aim in the following treatise is to work out the question of the sense of "being" and to do so concretely." Heidegger claims that traditional ontology has prejudicially overlooked this question, dismissing it on the basis that being is the most universal and emptiest concept, that is indefinable or obvious. Instead Heidegger proposes to understand being itself, as distinguished from any specific entities (beings). "'Being' is not something like a being." Being, Heidegger claims, is "what determines beings as beings, that in terms of which beings are already understood." Heidegger is seeking
Albinus (philosopher) of Plato into four classes, logical, critical, physical, ethical, and mentions another division of them into Tetralogies, according to their subjects. He advises that the Alcibiades, Phaedo, Republic, and Timaeus, should be read in a series. Some of Albinus's fame is attributed to the fact that a 19th-century German scholar, J. Freudenthal, attributed Alcinous's "Handbook of Platonism" to Albinus. This attribution has since been discredited by the work of John Whittaker in 1974. Another Albinus is mentioned by Boethius and Cassiodorus, who wrote in Latin some works on music and geometry. Albinus (philosopher) Albinus (; fl. c. 150 AD) was