"Metaphysical realism is the thesis that the objects, properties and relations the world contains, collectively: the structure of the world [Sider 2011], exists

"Metaphysical realism is the thesis that the objects, properties and relations the world contains, collectively: the structure of the world [Sider 2011], exists independently of our thoughts about it or our perceptions of it." This is _necessarily_ true, to believe otherwise is to make an absurdist claim that humans are somehow special. It's "the earth is the center of the universe" all over again. Of course, you could always take the truly absurd way out, and claim that _you_ are what is special, and everything else is mere simulacrum for you by you. By all means, admit to this.