Thing

A Thing Concept is an elementary concept of any kind of existence.

• Context:
  • It can be:
    • a (set of) Entity(s) (i.e. Physical Entity or Abstract Entity).
    • a (set of) Relation(s) (i.e. Causal Relation or Semantic Relation).
    • a (set of) System(s) (i.e. Entities, Relations, and Operations).
    • a (set of) Phenomenon (e.g. Physical Phenomenon).
  • It can be Similar in Attributes to another Thing, and the similarity can be reported by a Similarity Function.
  • It can be Near in Space to another Thing, and this distance can be reported by a Distance Function.
  • It can (often) be a member of an Upper-level Ontology.
• Example(s):
  • A Physical Entity.
  • An Abstract Entity.
  • A Causal Relation.
  • A Semantic Relation.
  • A Concept or a Concept Cluster.
  • …
• Counter-Example(s):
  • A System,
  • A Physical Phenomenon,
  • A Biological Organism,
  • A Human Being.
• See: Nothing, Everything, SUMO Ontology.

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