Even then it depends on your definition of "I". If this reality and self is a brain-in-a-jar simulation, I still have five fingers - the brain may not, but the

Even then it depends on your definition of "I". If this reality and self is a brain-in-a-jar simulation, I still have five fingers - the brain may not, but the brain isn't me. Though, this is a good example of what I meant by precision of truth. "I observe five fingers" is more accurate, and there are still better phrasings, but individual inability to precisely communicate truth does not imply truth does not exist.