Four colour theorem | Four color theorem (anglický)
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Definícia vek 14 úroveň 2
Any network of points and lines in a plane can be coloured in using no more than four colours, in such a way that no two adjacent regions have the same colour.
Prepojenia
- širší:
- (en) Theorem
- ďalšie odkazy:
- (en) Four colour problem
- (en) Seven colour theorem
Finančná podpora: