meaning of four colour glossies

1. four-colour glossies 1. Literature created by marketroids that allegedly contains technical specs but which is in fact as superficial as possible without being totally content-free. "Forget the four-colour glossies, give me the tech ref manuals. " Often applied as an indication of superficiality even when the material is printed on ordinary paper in black and white. Four-colour-glossy manuals are *never* useful for finding a problem. 2. [rare] Applied by extension to manual pages that dont contain enough information to diagnose why the program doesnt produce the expected or desired output. four colour map theorem application> Or "four colour theorem" The theorem stating that if the plane is divided into connected regions which are to be coloured so that no two adjacent regions have the same colour as when colouring countries on a map of the world, it is never necessary to use more than four colours. The proof, due to Appel and Haken, attained notoriety by using a computer to check tens of thousands of cases and is thus not humanly checkable, even in principle. Some thought that this brought the philosophical status of the proof into doubt. There are now rumours of a simpler proof, not requiring the use of a computer. See also chromatic number

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