Question 1

Which of the following statements is an example of a deductive argument?

Accepted Answer

All humans are mortal. Socrates is a human. Therefore, Socrates is mortal.

Answer

All swans are white. Therefore, all birds are white.

Answer

It rained yesterday. Therefore, it will rain today.

Answer

My phone is broken. Therefore, I will buy a new one.

Question 2

Which of the following is an example of an inductive argument?

Accepted Answer

The sun has risen in the east every day we have observed it, therefore it will rise in the east tomorrow.

Answer

All birds can fly. A penguin is a bird. Therefore, a penguin can fly.

Answer

All mammals have lungs. A dolphin is a mammal. Therefore, a dolphin cannot breathe underwater.

Answer

If it rains, the ground gets wet. It rained, so the ground is wet.

Question 3

What distinguishes a deductive argument from an inductive argument?

Accepted Answer

A deductive argument provides conclusive proof of its conclusion, while an inductive argument offers probable support.

Answer

A deductive argument is based on personal experiences, while an inductive argument is purely logical.

Answer

A deductive argument uses examples to support its claim, while an inductive argument uses rules.

Answer

A deductive argument is always true, while an inductive argument is always false.

Question 4

Which of the following statements best represents an inductive argument?

Accepted Answer

After observing several successfully flown airplanes, I conclude that all airplanes can fly.

Answer

If all mammals have fur and a whale is a mammal, then the whale has fur.

Answer

Every time I dropped a ball, it fell to the ground; therefore, gravity exists.

Answer

All crows observed so far are black; therefore, all crows are black.

Question 5

Which of these is a characteristic of a deductive argument?

Accepted Answer

It provides certainty if the premises are true.

Answer

It relies on past experiences to predict future outcomes.

Answer

It allows for conclusions that are probable but not guaranteed.

Answer

It uses statistical evidence to support its claims.

Question 6

What is an example of a deductive reasoning error?

Accepted Answer

All cats are mammals. My pet is a mammal. Therefore, my pet is a cat.

Answer

All birds lay eggs. A robin is a bird. Therefore, a robin lays eggs.

Answer

All flowers are plants. A rose is a flower. Therefore, a rose is a plant.

Answer

If it rains, the ground gets wet. It rained. Therefore, the ground is wet.

Question 7

Which of the following best illustrates a valid deductive argument?

Accepted Answer

All humans need water to survive. Sarah is a human. Therefore, Sarah needs water to survive.

Answer

Some fish can breathe air. A goldfish is a fish. Therefore, a goldfish can breathe air.

Answer

If it is raining, then the grass is wet. The grass is wet. Therefore, it is raining.

Answer

All vehicles require fuel. My bicycle is a vehicle. Therefore, my bicycle requires fuel.

Question 8

Which of the following statements demonstrates inductive reasoning?

Accepted Answer

Every swan I've seen so far has been white, so I conclude that all swans are white.

Answer

All dogs are mammals. A beagle is a dog. Therefore, a beagle is a mammal.

Answer

All men are mortal. Socrates is a man. Therefore, Socrates is mortal.

Answer

If all triangles have three sides and this shape has three sides, then it is a triangle.

Question 9

Which of the following arguments is an error in inductive reasoning?

Accepted Answer

Most of the students I observed in the library were reading; therefore, all students read while in the library.

Answer

Every time I eat strawberries, I feel happy; therefore, strawberries always make me happy.

Answer

Many birds can fly; therefore, some flying creatures are birds.

Answer

I have only seen red apples; therefore, all apples are red.

Question 10

What is a key feature of an inductive argument?

Accepted Answer

It offers a conclusion that is probable based on the evidence presented.

Answer

It requires a universal truth to form its conclusion.

Answer

It guarantees its conclusion is true if the premises are true.

Answer

It must consist of only true statements to be valid.

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