Necessity is the maximal expression of anything's ontological status. An omnipotent being is fully powerful. A necessary being is fully existing - It exists in all possible constructions of reality as opposed to just a few.
jbiemans wrote: If necessary means fully existing, then aren't you either begging the question, or simply defining this maximally great being into existence.
jbiemans wrote: Another question, can I use the ontological argument to demonstrate the existence of a maximally evil God as well ? If I can, then how can 2 maximally great beings exist, if I can't then why not ?