"I" can doubt but we can all most likely get many millions of people plus some monkeys and other species to more or less agree that there is a rock with very mu

"I" can doubt but we can all most likely get many millions of people plus some monkeys and other species to more or less agree that there is a rock with very much the same characteristics. That's a good enough description of the rock in my book. The above definitely does not apply to consciousness.