Given the Following Syllogism

Multiple Choice

Given the following syllogism:
No unicorns are mules.
All unicorns are animals.

Some animals are not mules.
This syllogism:

A) Is valid from both the Boolean and Aristotelian standpoints.
B) Is valid from the Boolean standpoint only.
C) Commits the existential fallacy from the Boolean standpoint only.
D) Commits the existential fallacy from both standpoints.
E) Commits the existential fallacy from the Aristotelian standpoint only.