Four colour theorem | Four color theorem (Anglų)
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Apibrėžimas amžius 14 lygis-ang. 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.
Nuorodos
- platesnis (br):
- (en) Theorem
- žiūrėk (see):
- (en) Four colour problem
- (en) Seven colour theorem
Finansuojamas: EU Socrates Minerva, HeyMath!, Cambridge University Press