Given the following sorites: All N are P.
Some N are F.
All F are R.
All R are A.
Some A are not P.
This sorites is:
A) Invalid because one of the middle terms is undistributed.
B) Invalid because it has affirmative premises and a negative conclusion.
C) Invalid because it has three universal premises and a particular conclusion.
D) Valid because a particular premise requires a particular conclusion.
E) Valid because no rules are broken.

Question

Quizplus · Accepted Answer

This sorites has affirmative premises and a negative conclusion, which violates the rules of traditional syllogistic logic. Specifically, if the premises are true, they would logically entail that some A are P, but the conclusion asserts that some A are not P. Therefore, the conclusion cannot be logically inferred from the given premises, making the argument invalid.

Given the Following Sorites: All N Are P