(December 29, 2010 at 4:17 pm)EvidenceVsFaith Wrote: If something is tautological then it is logical, because tautology is logical. A=A is logical. A can't not=A and that would be illogical. It is impossible for anything to have an illogical existence.
Logically contradictory is still logical. That's why it's logically contradictory and not illogically contradictory.
Certain definitions are useful, certain definitions are not, even if they are true. I think your definition of logical belong in the useless category because it is useless for examining any arguments.
