Ontology   
var.
General Metaphysics

Ontology

Commens
Digital Companion to C. S. Peirce
Ontology
var.
General Metaphysics
1904 | Reason's Conscience: A Practical Treatise on the Theory of Discovery; Wherein logic is conceived as Semeiotic | NEM 4:192; HP 2:826

Ontology is that branch of metaphysics which endeavors to determine the nature and kinds of reality.