So the core of the argument seems to be that there are many ways to encode a basic concept like 'something to move oxygen around' - and that without that you co

So the core of the argument seems to be that there are many ways to encode a basic concept like 'something to move oxygen around' - and that without that you could not have evolution and that brings platonic essence into the evolution theory. It looks like there is something interesting there - but the article is little bit too poetic to me. A minor thing - it is also not clear to me if they mean that there are many ways of DNA to encode haemoglobin of if the other ways encode different proteins that do the same thing.