It’s the best possible kind of answer to my question—a link to a load of interesting stuff—thanks!
I see where I went wrong, in missing out the entire physical universe as a source of questions that can be clearly stated but are about real things rather than mathematical descriptions of them.
It’s the best possible kind of answer to my question—a link to a load of interesting stuff—thanks!
I see where I went wrong, in missing out the entire physical universe as a source of questions that can be clearly stated but are about real things rather than mathematical descriptions of them.