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jfarley259
jfarley259
04.12.2021 • 
Mathematics

Premise: No surfers speak French. Premise: Pierre speaks French.
Conclusion: Pierre is not a surfer.

A) The X represents Pierre. The Venn diagram shows that Pierre is in the surfer circle so the
Venn diagram does not show the conclusion follows necessarily from the premises, and the
argument is invalid.

B) The X represents Pierre. The Venn diagram shows that Pierre is outside the French circle so
the Venn diagram does not show the conclusion follows necessarily from the premises, and
the argument is invalid.

C) The X represents Pierre. The Venn diagram shows that Pierre is in the French circle so
conclusion follows necessarily from the premises, and the argument is valid.

D) The X represents Pierre. The Venn diagram shows that Pierre is not in the surfer circle so
conclusion follows necessarily from the premises, and the argument is valid.

Solved
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