Which of the Six Rules for determining the validity of categorical syllogism does the following categorical syllogism violate?:
Some cases of affirmative action are not measures justified by past discrimination.
No cases of affirmative action are illegal practices.
Therefore, some illegal practices are not measures justified by past discrimination.

Question

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

Some cases of affirmative action are not measures justified by past discrimination.

No cases of affirmative action are illegal practices.

Therefore, some illegal practices are not measures justified by past discrimination.

Answer

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

Answer

The
middle term must be distributed
at least once.

Answer

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

Answer

No
syllogism can have two negative
premises.

Answer

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

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