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![]() | This article may lack focus or may be about more than one topic .(August 2022) |
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In philosophy, being is the material or immaterial existence of a thing. [1] Being is a concept encompassing objective and subjective features of existence. [2] Ontology is the branch of philosophy that studies being. The concept of being has been investigated by philosophers such as Aristotle, [3] Thomas Aquinas, [4] [5] and Martin Heidegger.