From FasciPedia
Jump to navigation Jump to search



  1. The branch of metaphysics that deals with the nature of being.
  2. The theory of being; that branch of metaphysics which investigates the nature of being and of the essence of things, both substances and accidents.
  3. That department of the science of metaphysics which investigates and explains the nature and essential properties and relations of all beings, as such, or the principles and causes of being.