SUTG, I kinda agree with Johnny that allsmiles would be "proving" a negative which I don't think he can. I'm not sure why you are calling it a positive. How could allsmiles "prove" that Knight didn't have this machine??SUTG said:Some negatives can be proven. For example, I can prove that there does not exist in planar euclidean space a triangle whose angles total to 59 degrees. And so on...
But in this case, they are both making positive claims about the state of affairs in the world.
Knight is stating that it is the case that he has the device.
Allsmiles is stating that it is NOT the case that Kinght has the device.
Both Allsmiles and Knight have taken on a burden of proof. It isn't really a burden of proof because, as Hal says, proof only exists in mathematics and alcohol. Just the burden of a compelling argument.
But allsmiles should have an easy job in this case convincing most of us that Knight has gone :dizzy:
Think of it this way. What if Knight and allsmiles made the following claims:
KNIGHT: It is the case that Spenser 2 is wearing a blue shirt right now.
ALLSMILES: It is NOT the case that Spenser 2 is wearing a blue shirt right now.
They have both taken on a position that entails the burden of proof. Now, most of us are "weak atheists" in this regard. We have no belief in either statement!