Which of the Six Rules for determining the validity of categorical syllogism does the following categorical syllogism violate?:
All inside traders are persons subject to prosecution.
Some executives with privileged information are not persons subject to prosecution.
Therefore, some executives with privileged information are inside traders.

Question

Which of the Six Rules for determining the validity of categorical syllogism does the following categorical syllogism violate?:

All inside traders are persons subject to prosecution.

Some executives with privileged information are not persons subject to prosecution.

Therefore, some executives with privileged information are inside traders.

Answer

The
middle term must be distributed
at least once.

Answer

If
one premise is negative,
the conclusion must be negative; and if the conclusion is negative, then one
premise must be negative.

Answer

No
syllogism can have two negative
premises.

Answer

If
a term is distributed
in the conclusion, the it must be distributed in the premise.

Answer

A
syllogism must have only three terms
(not three words, but terms).

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