The Pigeonhole Principle的意思|示意

Amazingly, this is also about the pigeonhole principle!

令人惊奇的是，这同样是鸽子洞原理的运用！

Now that we have a good grasp on the pigeonhole principle, let's see how it can be used. Here are 16 of my favorite applications, categorized by difficultly.

现在我们对鸽子洞原理有了较好的理解，现在来是怎么运用的。

The pigeonhole principle (more generalized)

鸽子洞原理（更为广义）

By the pigeonhole principle, at least two must be of the same color.

由鸽子洞原理，至少有2只有相同的颜色。

There are 27 words or “pigeons” that can start with one of the 26 different English letters or “pigeonholes. ” By the pigeonhole principle, two of the words must start with the same letter.

假如27个单词能以26个不同的英文字母中的一个开头（类同于将27个”鸽子“”放入26个鸽子洞中），根据鸽子洞原理，必有2个单词以同一字母为首。

Using essentially the same argument, we can prove the following more general statement of the pigeonhole principle.

用实质上相同的论证，我们可以证明下面关于鸽巢原理更一般的结论。