RE: Modal ontological argument
February 1, 2022 at 2:56 pm
(This post was last modified: February 1, 2022 at 2:59 pm by The Grand Nudger.)
That argument that william lane craig uses/butchers is platingas modal ontological argument. Possible worlds analysis is a type of semantics used to explore propositional and first order modal logic. The quantifiers all, some, necessarily, and possibly are added to the usual and, or, not...and if-then.
Nothing to do with a multiverse.
@Mister Agenda
Platingas formulation makes it explicit.
Nothing to do with a multiverse.
@Mister Agenda
Platingas formulation makes it explicit.
Quote:A being has maximal excellence in a given possible world W if and only if it is omnipotent, omniscient and wholly good in W; and
A being has maximal greatness if it has maximal excellence in every possible world.
It is possible that there is a being that has maximal greatness. (Premise)
Therefore, possibly, it is necessarily true that an omniscient, omnipotent, and perfectly good being exists.
Therefore, (by axiom S5) it is necessarily true that an omniscient, omnipotent and perfectly good being exists.
Therefore, an omniscient, omnipotent and perfectly good being exists.
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