Module: Venn diagrams
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The aim of education should be to teach us rather how to think, than what to think -- rather to improve our minds, so as to enable us to think for ourselves, than to load the memory with thoughts of other men.
- Bill Beattie
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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 C.
Every B is a C.
Therefore, no B is an A.
No C is an A.
Every C is a B.
Therefore, no A is a B.
Every A is a C.
Every B is a C.
Therefore, every C is a B.
Every A is a B.
No B is a C.
Therefore, no C is an A.
Every C is a B.
No A is a B.
Therefore, no C is an A.
Every B is a C.
Every C is an A.
Therefore, every B is an A.
Every A is a C.
No C is a B.
Therefore, no B is an A.
Every A is a B.
No B is a C.
Therefore, every A is a C.
No B is a C.
Every A is a C.
Therefore, every B is an A.
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