Towards a 'Container Harbour' Domain Theory. We refer to our brief rough-sketch outline item 4, Sect. 1.7.1. Suggest theorems (like those stated in Examples 15.1-15.3) for a 'Container Harbour' domain theory.
${ }^2$ Such cities as Singapore, Macau, Hong Kong, London, New York, Tokyo, Paris, etc., can be said to be metropolitan areas.