In a subject view, or a world view, the set of conceptual or material things or classes of things that are recognised as existing, or are assumed to exist in context, and their interrelations; in a body of theory, the ontology comprises the domain of discourse, the things that are defined as existing, together with whatever emerges from their mutual implications.
A logical system involving theory of classes, developed by Stanislaw Lesniewski (1886-1939).
A structure of concepts or entities within a domain, organized by relationships; a system model.
The theory of a particular philosopher or school of thought concerning the fundamental types of entity in the universe.
The branch of metaphysics that addresses the nature or essential characteristics of being and of things that exist; the study of being qua being.
A belief, judgment or perspective that a person has formed, either through objective or subjective reasoning, about a topic, issue, person or thing.
a judicial opinion delivered by an Advocate General to the European Court of Justice where he or she proposes a legal solution to the cases for which the court is responsible
The formal decision, or expression of views, of a judge, an umpire, a doctor, or other party officially called upon to consider and decide upon a matter or point submitted.
The judgment or sentiment which the mind forms of persons or things; estimation.