Therefore the contradiction in the old contract laws needs to be abandoned.in addition the author delves into fourmodesofrelationships betweendomestic contracts andinternational contracts.
The next step is to find the mathematically simplest versions of such maps. (What is meant by simplicity in this case is actually quite involved.) Dr Gonthier then showed that all these maps can, in fact, be re-coloured with only four colours, establishing the theorem by contradiction.