Existence is the state of having being or reality in contrast to nonexistence and nonbeing. Existence is often contrasted with essence: the essence of an entity is its essential features or qualities,
One of the topics covered by theories of the nature of existence concerns the ontological status of fictional objects like Pegasus.
Bertrand Russell proposed his theory of descriptions to dissolve paradoxes surrounding negative existential statements.
According to Alexius Meinong, there are some entities that do not exist.
Plato and his student Aristotle disagreed on whether form and matter depend on one another for their existence.
Existentialism is a family of philosophical views and inquiry that explore the human individual's struggle to lead an authentic life despite the apparent absurdity or incomprehensibility of existence.
Existence
…Daoist philosophy in ancient China. It is relevant to fields such as logic, mathematics, epistemology, philosophy of mind, philosophy of language, and existentialism. Existence is the state of being real or participating in reality. Existence sets real entities apart from imaginary ones, and can refer both to…
Sisyphus, the symbol of the absurdity of existence, painting by Franz Stuck (1920)
French philosophers Jean-Paul Sartre and Simone de Beauvoir
French philosopher, novelist, and playwright Albert Camus
Adolphe Menjou (left) and Kirk Douglas (right) in Paths of Glory (1957)