Is the Following Argument Valid or Invalid? Justify Your Answer

question 1

Essay

Is the following argument valid or invalid? Justify your answer.
All real numbers have nonnegative squares.
The number i has a negative square.
Therefore, the number i is not a real number.

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Definitions:

Pancreatic Duct

A tube in the pancreas through which pancreatic juices flow into the small intestine.

Pancreatic Juice

A digestive fluid secreted by the pancreas containing enzymes that assist in the digestion of proteins, fats, and carbohydrates.

Canines

The sharp, pointed teeth next to the incisors in mammals that are often used for biting and tearing food.

Transverse Colon

The segment of the large intestine that crosses the upper abdominal cavity between the ascending and descending colon.