Existence

Existence has been variously defined by sources. In common usage, it is the world one is Template:Wiki or conscious of through one's senses, and that persists Template:Wiki in one's absence. Other definitions describe it as everything that 'is', or more simply, everything. Some define it to be everything that most people believe in. Template:Wiki relates the Template:Wiki to causality.

Template:Wiki is the philosophical study of the nature of being, existence or reality in general, as well as of the basic categories of being and their relations. Traditionally listed as a part of the major branch of philosophy known as Template:Wiki, Template:Wiki deals with questions concerning what entities exist or can be said to exist (for instance: "Does UDFj-39546284 exist?"), and how such entities can be grouped, related within a Template:Wiki, and subdivided according to similarities and differences. A lively debate continues about the existence of God.

Template:Wiki studies criteria of truth, defining "primary truths" inherently accepted in the investigation of knowledge. The first is existence. It is inherent in every analysis. Its self-evident, Template:Wiki nature cannot be consistently doubted, since a person objecting to existence according to some standard of proof must implicitly accept the standard's existence as a premise. Template:Wiki holds that the only thing that exists is Template:Wiki, that all things are composed of material, and all phenomena (including consciousness) are the result of material interactions.

Life is a characteristic that distinguishes objects that have self-sustaining Template:Wiki Template:Wiki from those that do not —either because such functions have ceased (death), or else because they lack such functions and are classified as "inanimate". Template:W