Given the Following Syllogism: All Animals Are Pigs $\overline{\text{Some mammals are not animals.}}$

question 66

Multiple Choice

Given the following syllogism: All animals are pigs.
No mammals are pigs.
$\overline{\text{Some mammals are not animals.}}$ This syllogism:

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

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Definitions:

Cytokines

Small proteins that are crucial in controlling the growth and activity of other immune system cells and blood cells.

Fibroblasts

A type of cell found in connective tissue which produces collagen and other fibers.

Leukocytes

White blood cells that are part of the immune system, protecting the body against both infectious disease and foreign invaders.

Retroviruses

A group of RNA viruses that insert a DNA copy of their genome into the host cell in order to replicate, e.g., HIV.