Pigeonhole principle: Difference between revisions
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In [[discrete mathematics]], the '''Pigeonhole Principle''' states "if you have ten pigeons and only nine pigeonholes, then at least one of those pigeonholes is shared by more than one pigeon." More formally, for any group of N items which must be assigned to M categories, if N > M, then at least one category must contain more than one item. The pigeonhole principle does not state any more. It does not state how excess items are distributed, or even that all categories are filled. | In [[discrete mathematics]], the '''Pigeonhole Principle''' states "if you have ten pigeons and only nine pigeonholes, then at least one of those pigeonholes is shared by more than one pigeon." More formally, for any group of N items which must be assigned to M categories, if N > M, then at least one category must contain more than one item. The pigeonhole principle does not state any more. It does not state how excess items are distributed, or even that all categories are filled.[[Category:Suggestion Bot Tag]] | ||
Latest revision as of 11:00, 4 October 2024
In discrete mathematics, the Pigeonhole Principle states "if you have ten pigeons and only nine pigeonholes, then at least one of those pigeonholes is shared by more than one pigeon." More formally, for any group of N items which must be assigned to M categories, if N > M, then at least one category must contain more than one item. The pigeonhole principle does not state any more. It does not state how excess items are distributed, or even that all categories are filled.