Use Venn Diagrams to Check the Validity of the Argument

question 261

Multiple Choice

Use Venn diagrams to check the validity of the argument. No politicians are honest.
Some dishonest people are found out.
Therefore, some politicians are found out.

• A) valid
• B) not valid

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Definitions:

Tegmentum

A part of the brainstem that is involved in movement and arousal, containing the reticular formation and various nuclei.

Tectum

Roof of the midbrain.

Superior Colliculi

Paired structures in the midbrain that are involved in visual and auditory reflexes and coordinate head and eye movements.

Cerebrum

The cerebrum is the largest part of the brain, responsible for higher brain functions such as thought, action, reasoning, emotion, and memory.