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摘要

描述

Square of opposition

In the Venn diagrams black areas tell, that the area is empty and red areas tell, that there is at least one element.

Faded red areas and faded arrows apply only in classical logic, where only nonempty domains are used.
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来源 自己的作品
作者
Watchduck
You can name the author as "T. Piesk", "Tilman Piesk" or "Watchduck".
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(二次使用本文件)
Public domain 我，本作品著作权人，释出本作品至公有领域。这适用于全世界。
在一些国家这可能不合法；如果是这样的话，那么：
我无条件地授予任何人以任何目的使用本作品的权利，除非这些条件是法律规定所必需的。
其他版本


Can be printed as a part of: File:Syllogism diagrams.pdf

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日期/时间缩⁠略⁠图大小用户备注
当前2020年12月14日 (一) 09:582020年12月14日 (一) 09:58版本的缩略图479 × 620（49 KB）GufosowaFile uploaded using svgtranslate tool (https://svgtranslate.toolforge.org/). Added translation for tr.
2020年12月11日 (五) 14:302020年12月11日 (五) 14:30版本的缩略图479 × 620（48 KB）GufosowaTexts are aligned accordingly to avoid translations overflowing. No visible change.
2020年12月10日 (四) 10:442020年12月10日 (四) 10:44版本的缩略图479 × 620（48 KB）GufosowaEditable with the [https://svgtranslate.toolforge.org/ Svg-translate] tool.
2011年6月15日 (三) 08:402011年6月15日 (三) 08:40版本的缩略图479 × 620（143 KB）Watchduck((Information |Description=Square of opposition In the Venn diagrams black areas tell, that the area is empty and red areas tell, that there is at least one element. Faded red areas and fades

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检索自“https://zh.wikipedia.org/wiki/File:Square_of_opposition,_set_diagrams.svg”
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