(March 7, 2014 at 3:17 am)fr0d0 Wrote: You use your brains esq. Logic and reason.
You cannot infer something about the universe without observing said universe.
Chrisitans do make physical observations on which they base these "logical" arguments. They can observe the universe exists. They observe the Bible. They may observe something in their brain that they interpet is God talking to them.
I propose a metaphysical creature exists and lives in my garage. Logically prove it exists without going anywhere near my garage.