{"id":20331,"date":"2026-09-22T16:14:27","date_gmt":"2026-09-22T06:14:27","guid":{"rendered":"https:\/\/geoffreychen.com\/why-six-people-guarantee-three-mutual-acquaintances-or-strangers\/"},"modified":"2026-09-22T16:14:27","modified_gmt":"2026-09-22T06:14:27","slug":"why-six-people-guarantee-three-mutual-acquaintances-or-strangers","status":"publish","type":"post","link":"https:\/\/geoffreychen.com\/zh\/why-six-people-guarantee-three-mutual-acquaintances-or-strangers\/","title":{"rendered":"\u516d\u4e2a\u4eba\u4e2d\uff0c\u4e3a\u4ec0\u4e48\u5fc5\u6709\u4e09\u4eba\u5f7c\u6b64\u8ba4\u8bc6\u6216\u5f7c\u6b64\u964c\u751f\uff1f"},"content":{"rendered":"<\/p>\n

\"\u516d\u4e2a\u4eba\u4e2d\uff0c\u4e3a\u4ec0\u4e48\u5fc5\u6709\u4e09\u4eba\u5f7c\u6b64\u8ba4\u8bc6\u6216\u5f7c\u6b64\u964c\u751f\uff1f\"<\/p>\n

\u5047\u8bbe\u516d\u4e2a\u4eba\u53c2\u52a0\u805a\u4f1a\uff0c\u4efb\u610f\u4e24\u4eba\u4e4b\u95f4\u53ea\u6709\u4e24\u79cd\u5173\u7cfb\uff1a\u5f7c\u6b64\u8ba4\u8bc6\uff0c\u6216\u8005\u5f7c\u6b64\u964c\u751f\u3002\u90a3\u4e48\u65e0\u8bba\u8fd9\u5341\u4e94\u5bf9\u5173\u7cfb\u600e\u6837\u5206\u5e03\uff0c\u5fc5\u5b9a\u80fd\u627e\u5230\u4e09\u4e2a\u4eba\u4e24\u4e24\u8ba4\u8bc6\uff0c\u6216\u8005\u4e09\u4e2a\u4eba\u4e24\u4e24\u964c\u751f\u3002\u8fd9\u4e0d\u662f\u201c\u5f88\u53ef\u80fd\u201d\uff0c\u800c\u662f\u7ec4\u5408\u6570\u5b66\u4e2d\u7684\u786e\u5b9a\u7ed3\u8bba\uff0c\u5199\u4f5c R(3,3)=6\u3002<\/p>\n

\u8bc1\u660e\u53ea\u9700\u9009\u5b9a\u5176\u4e2d\u4e00\u4ebaA\u3002A\u4e0e\u5176\u4f59\u4e94\u4eba\u5404\u6709\u4e00\u79cd\u5173\u7cfb\u3002\u4e24\u79cd\u5173\u7cfb\u5206\u7ed9\u4e94\u4e2a\u4eba\uff0c\u81f3\u5c11\u6709\u4e09\u4e2a\u4eba\u4e0eA\u5c5e\u4e8e\u540c\u4e00\u7c7b\uff1b\u4e0d\u59a8\u8bbeB\u3001C\u3001D\u90fd\u8ba4\u8bc6A\u3002\u73b0\u5728\u53ea\u770bB\u3001C\u3001D\uff1a\u5982\u679c\u5176\u4e2d\u4efb\u4f55\u4e00\u5bf9\u4e92\u76f8\u8ba4\u8bc6\uff0c\u90a3\u4e00\u5bf9\u52a0\u4e0aA\u4fbf\u7ec4\u6210\u4e09\u4e2a\u5f7c\u6b64\u8ba4\u8bc6\u7684\u4eba\uff1b\u5982\u679c\u4e09\u5bf9\u90fd\u4e0d\u8ba4\u8bc6\uff0cB\u3001C\u3001D\u672c\u8eab\u5c31\u662f\u4e09\u4e2a\u5f7c\u6b64\u964c\u751f\u7684\u4eba\u3002\u82e5\u6700\u521d\u4e09\u4eba\u90fd\u4e0d\u8ba4\u8bc6A\uff0c\u8bba\u8bc1\u5b8c\u5168\u5bf9\u79f0\u3002<\/p>\n

\u6709\u8da3\u4e4b\u5904\u5728\u4e8e\uff0c\u6570\u5b66\u6ca1\u6709\u9884\u6d4b\u8c01\u8ba4\u8bc6\u8c01\uff0c\u800c\u662f\u8bc1\u660e\u5c40\u90e8\u5173\u7cfb\u8db3\u591f\u591a\u65f6\uff0c\u67d0\u79cd\u6574\u9f50\u7ed3\u6784\u65e0\u6cd5\u88ab\u5168\u90e8\u907f\u5f00\u3002\u4e94\u4e2a\u4eba\u8fd8\u4e0d\u591f\uff1a\u628a\u4e94\u4eba\u6392\u6210\u4e94\u8fb9\u5f62\uff0c\u8ba9\u76f8\u90bb\u8005\u8ba4\u8bc6\u3001\u9694\u4e00\u4f4d\u8005\u964c\u751f\uff0c\u5c31\u80fd\u907f\u5f00\u4e24\u79cd\u4e09\u4eba\u7ec4\u3002\u56e0\u6b64\u516d\u662f\u6700\u5c0f\u4fdd\u8bc1\u6570\u3002<\/p>\n

\u73b0\u5b9e\u4e2d\u7684\u201c\u8ba4\u8bc6\u201d\u5f53\u7136\u6709\u7a0b\u5ea6\uff0c\u4e5f\u53ef\u80fd\u5e76\u4e0d\u5bf9\u79f0\uff1b\u5b9a\u7406\u628a\u5b83\u7b80\u5316\u4e3a\u4e8c\u5143\u4e14\u5bf9\u79f0\u7684\u5173\u7cfb\u3002\u7ed3\u8bba\u7684\u529b\u91cf\u6765\u81ea\u660e\u786e\u6a21\u578b\uff0c\u4e0d\u80fd\u539f\u5c01\u4e0d\u52a8\u5957\u5230\u542b\u7cca\u7684\u4eba\u9645\u751f\u6d3b\u3002<\/p>\n

https:\/\/mathworld.wolfram.com\/RamseyNumber.html<\/a><\/p>\n

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