KnowraOntological argumentLinked fromLinked fromThe 9 pages that link to Ontological argument, each with the reason it gives.All 9Broader topic 3Related 5Narrower topic 1René DescartesRelated: Descartes uses a version of this argument to support the existence of a perfect, non-deceiving God.TheismRelated: It attempts to support theism through reasoning rather than observation.Natural theologyBroader topic: It tests whether reason alone can establish God's existence without observing nature.Anselm of CanterburyBroader topic: Anselm’s best-known reasoning begins from the idea of God as that than which nothing greater can be conceived.Philosophy of religionBroader topic: It attempts to establish existence through reflection on the divine concept itself.Alvin PlantingaNarrower topic: Plantinga gives a modal version based on the possibility of a maximally great being.GodRelated: It attempts to establish God's existence through reasoning about the divine concept.Christian philosophyRelated: Anselm's version is a prominent example of Christian philosophy using conceptual analysis.Existence of GodRelated: It attempts to establish existence through reasoning about the divine concept alone.