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Mathematics, 17.04.2020 02:31 jprado01
Show that in a group of 10 people (where any two people are either friends or enemies), there are either three mutual friends or four mutual enemies, and there are either three mutual enemies or four mutual friends'.
In a group of 6 people there are either 3 mutual friends or 3
mutual enemies.
Let be a person from a group of 10
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Show that in a group of 10 people (where any two people are either friends or enemies), there are ei...
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