Yeah by the end of it I was dying for an explanation of what all the uses of linear and non-linear were meant to imply. One paragraph has the words mentioned si

Yeah by the end of it I was dying for an explanation of what all the uses of linear and non-linear were meant to imply. One paragraph has the words mentioned six times in three sentences! The whole thing would be much more obvious if they ditched half the philosophising and gave a concrete example of the problem and their solution. Then by all means talk about the philosophy behind how it generalises.