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1136Please respect copyright.ＰＥＮＡＮＡVawQBN2kP3

1136Please respect copyright.ＰＥＮＡＮＡiRjkdH6MHW

是次創作挑戰有兩個參加方式：

① 翻譯這一道謎題。

② 解答這一道謎題。

兩者可以同時進行，煩請分開為兩個章節。

標題格式及字數不限。

1136Please respect copyright.ＰＥＮＡＮＡr52chuXn6R

A particular establishment has a very strict but twisted rule by which people are allowed to enter their premises. The following are allowed to enter:

1136Please respect copyright.ＰＥＮＡＮＡfQeyKeh8sD

1. those who are 18 and above and have firearms, wearing sleeveless tops and slippers;

1136Please respect copyright.ＰＥＮＡＮＡHzVoNPoQa3

2. those who aren't 18 and above and don't have firearms, wearing neither sleeveless tops nor slippers;

1136Please respect copyright.ＰＥＮＡＮＡ9R9oXnSxbT

3. those who aren't 18 and above and have firearms, wearing neither sleeveless tops nor slippers;

1136Please respect copyright.ＰＥＮＡＮＡsUMtgnwu0p

4. those who aren't 18 and above and have firearms, wearing sleeveless tops and slippers;

1136Please respect copyright.ＰＥＮＡＮＡpT0Mr5CCB2

5. those who are 18 and above and have firearms, wearing slippers but not sleeveless tops;

1136Please respect copyright.ＰＥＮＡＮＡ7wSdvl28OK

6. those who aren't 18 and above and don't have firearms, wearing slippers but not sleeveless tops;

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7. those who aren't 18 and above and have firearms, wearing slippers but not sleeveless tops.

1136Please respect copyright.ＰＥＮＡＮＡ8gQ1kX95Fw

If a person satisfies any of these seven rules, they are allowed to enter.

1136Please respect copyright.ＰＥＮＡＮＡIw8oYdeKAh

However, people don't even read these rules as they are too much to read for anyone. We can simplify these seven rules further into a fewer number of rules.

1136Please respect copyright.ＰＥＮＡＮＡV7yuuhfpZq

What is the least number of rules that these can be rewritten into, such that, again, any person satisfying any of the resulting rules is allowed to enter?

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Note: Each rule you write must be a conjunction of two of the four conditions "18 or above," "have firearms," "wearing sleeveless tops," and "wearing slippers," or their respective negations. Thus, for example, a rule like "those who wear slippers or sleeveless tops" is not valid because it's a disjunction.

1136Please respect copyright.ＰＥＮＡＮＡ8fEmv1g3yX

謎題及解答來源將於此創作挑戰結束後公佈。

以上。

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