I don't think anything intelligent can be said about a "completely unobserved and unrecorded tree." We do not know an object that has the qualities of being uno

I don't think anything intelligent can be said about a "completely unobserved and unrecorded tree." We do not know an object that has the qualities of being unobserved and we can never know, because then it wouldn't be unobserved any more. That's the idealist argument against materialism.