Being and Time mentioned in "Being and Time", has been identified by some with Heidegger's central notion of "Sorge" ("cura", care or concern). However, for Heidegger, "theoretical" knowledge represents only one kind of intentional behaviour, and he asserts that it is grounded in more fundamental modes of behaviour and forms of practical engagement with the surrounding world. Whereas a theoretical understanding of things grasps them according to "presence," for example, this may conceal that our first experience of a being may be in terms of its being "ready-to-hand." Thus, for instance, when someone reaches for a tool such as a hammer, their understanding
Chamaeleon (philosopher) Chamaeleon (philosopher) Chamaeleon (or Chameleon; ; c. 350 – c. 275 BC), was a Peripatetic philosopher of Heraclea Pontica. He was one of the immediate disciples of Aristotle. He wrote works on several of the ancient Greek poets, namely: He also wrote on the Iliad, and on Comedy (περὶ κωμῳδίας). In this last work he treated, among other subjects, of the dances of comedy. This work is quoted by Athenaeus by the title περὶ τῆς ἀρχαίας κωμῳδίας, which is also the title of a work by the Peripatetic philosopher Eumelus. It would seem also that he wrote on Hesiod, for