again you said you don't have to accept a definition. I said "YOU" can't change it on a whim either. It aint that hard there big man. -I have not changed any definition on a whim. -> I think you are afraid to make simple predictions with the information we have. Just look at what you did to the light switch example. "mathematician", are you kidding me? -This is utter poppycock. definition > Will you stick the screw driver in or are you going to move and let me fix it?-No, I would gather some evidence first. Frankly I would not trust you with my electrical wiring.