... that's where I had them. They laughed at me and made jokes but I proved beyond the shadow of a doubt and with... geometric logic... that a duplicate key to the wardroom icebox DID exist ..."
Not so fast, Captain Queeg. Geometric logic may not be as foolproof as you think. Moreover, "Kurt Gödel proved ... that if you insist on consistency, there are true statements you can't prove at all." Mathematical proof is foolproof, it seems, only in the absence of fools .