Mirrored from philosophy.hku.hk/think/

This page generates a random list of 10 syllogisms. See if you can determine whether they are valid or not.

Every C is an A.
Every B is an A.
Therefore, every A is a C. answer


Every C is an A.
No A is a B.
Therefore, no C is a B. answer


No A is a C.
Every B is a C.
Therefore, no B is an A. answer


No A is a B.
Every C is an A.
Therefore, every B is a C. answer


Every B is a C.
Every A is a C.
Therefore, every C is a B. answer


No B is an A.
No C is an A.
Therefore, no C is a B. answer


Every A is a C.
No B is a C.
Therefore, no B is an A. answer


No C is an A.
No A is a B.
Therefore, no B is a C. answer


No B is a C.
Every C is an A.
Therefore, no A is a B. answer


No A is a C.
Every A is a B.
Therefore, every B is an A. answer


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