Module: Venn diagrams
Quote of the page
What I understand by ‘philosopher’: a terrible explosive in the presence of which everything is in danger.
- Friedrich Nietzsche
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This page generates a random list of 10 syllogisms. See if you can determine whether they are valid or not.
No B is an A.
Every B is a C.
Therefore, every C is a B.
No A is a B.
Every C is an A.
Therefore, every B is a C.
No A is a B.
No C is a B.
Therefore, no C is an A.
Every C is a B.
Every A is a B.
Therefore, every A is a C.
Every C is an A.
Every C is a B.
Therefore, every A is a C.
No B is a C.
Every C is an A.
Therefore, no B is an A.
Every C is an A.
No A is a B.
Therefore, every A is a C.
Every C is a B.
Every B is an A.
Therefore, every C is an A.
No A is a C.
Every B is an A.
Therefore, every B is a C.
Every C is a B.
No A is a B.
Therefore, every B is a C.
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