Syllogistic Form 4G
Given the following syllogistic form:

-For Syllogistic Form 4G, the answer from the Boolean standpoint is:
A) Invalid, drawing a negative conclusion from affirmative premises.
B) Invalid, existential fallacy.
C) Valid, no fallacy.
D) Invalid, illicit minor.
E) Invalid, exclusive premises.

Question

Syllogistic Form 4G
Given the following syllogistic form:

-For Syllogistic Form 4G, the answer from the Boolean standpoint is:
A) Invalid, drawing a negative conclusion from affirmative premises. 
B) Invalid, existential fallacy. 
C) Valid, no fallacy. 
D) Invalid, illicit minor. 
E) Invalid, exclusive premises.

Quizplus · Accepted Answer

Syllogistic Form 4G is a form of existential fallacy where the middle term is undistributed in both premises, leading to a conclusion that makes an unwarranted existential claim. This syllogistic form is represented by the following example:
All A are B.
All C are B.
Therefore, some A are C.
Since this syllogistic form is an existential fallacy, the answer is B.

Syllogistic Form 4G Given the Following Syllogistic Form