(March 4, 2017 at 4:05 am)Jesster Wrote: Yeah, I've heard this one before. I don't accept the first two premises to be true. The third premise is a guess that God exists in any possible world in the first place, so I can't accept that to be true either. The rest crumbles with that flawed foundation.
The first premise is true if the theist defines God that way (after all, you can't refute a definition unless it is logically inconsistent). The second just means that since God is necessary (must exist), the existence of God implies existing in every possible world (logically impossible to not exist).
Hail Satan!