The author tries to make his design methodology a science. However, the two axioms in his theory were drawn from past "good" design examples by his own judgement, rather than common sense that everyone perceives. You can easily find many design examples that "violate" his design axioms, but remain well-accepted and good designs nowaday, such as integrated design modules, side-open fridge, etc. Over all, this book provides an alternative design philosophy. Design axioms? Maybe too ambitious....