> I cannot observe propositions or truth claims or numbers or... Of course you can. > what is "natural" and what is "supernatural" according to naturalists?

> I cannot observe propositions or truth claims or numbers or... Of course you can. > what is "natural" and what is "supernatural" according to naturalists? It changes over time. At the moment, "natural" is anything that can be accounted for by quantum mechanics and general relativity, and "supernatural" is anything that can't: Ghosts. Demons. Deities. Telekenesis. Stuff like that.