Ontology vs. Epistemology

Ontologynoun

The branch of metaphysics that addresses the nature or essential characteristics of being and of things that exist; the study of being qua being.

Ontologynoun

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; 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.

Ontologynoun

The theory of a particular philosopher or school of thought concerning the fundamental types of entity in the universe.

Ontologynoun

(logic) A logical system involving theory of classes, developed by Stanislaw Lesniewski (1886-1939).

Ontologynoun

A structure of concepts or entities within a domain, organized by relationships; a system model.

Ontologynoun

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.

Ontologynoun

A systematic arrangement of all of the important categories of objects or concepts which exist in some field of discourse, showing the relations between them. When complete, an ontology is a categorization of all of the concepts in some field of knowledge, including the objects and all of the properties, relations, and functions needed to define the objects and specify their actions. A simplified ontology may contain only a hierarchical classification (a taxonomy) showing the type subsumption relations between concepts in the field of discourse. An ontology may be visualized as an abstract graph with nodes and labeled arcs representing the objects and relations.

Ontologynoun

the metaphysical study of the nature of being and existence

Ontology

Ontology is the branch of philosophy that studies concepts such as existence, being, becoming, and reality. It includes the questions of how entities are grouped into basic categories and which of these entities exist on the most fundamental level.

Epistemologynoun

(uncountable) The branch of philosophy dealing with the study of knowledge; theory of knowledge, asking such questions as "What is knowledge?", "How is knowledge acquired?", "What do people know?", "How do we know what we know?".

Epistemologynoun

(countable) A particular theory of knowledge.

Epistemologynoun

The theory or science of the method or grounds of knowledge.

Epistemologynoun

the philosophical theory of knowledge

Epistemology

Epistemology ( (listen); from Greek ἐπιστήμη, epistēmē 'knowledge', and -logy) is the branch of philosophy concerned with knowledge. Epistemologists study the nature, origin, and scope of knowledge, epistemic justification, the rationality of belief, and various related issues.