INDUCTIVE and DEDUCTIVE REASONING

Every cat I’ve encountered has been friendly. Therefore, I believe all cats are friendly.

• Inductive Reasoning

• Deductive Reasoning

All mammals have a backbone. A dog is a mammal. Therefore, a dog has a backbone.

• Inductive Reasoning

• Deductive Reasoning

The past five times I went to the beach, it was sunny. Therefore, the next time I go to the beach, it will be sunny.

• Inductive Reasoning

• Deductive Reasoning

All birds have feathers. A penguin is a bird. Therefore, a penguin has feathers.

• Inductive Reasoning

• Deductive Reasoning

Every time my brother eats peanuts, he gets a rash. I conclude that he must be allergic to peanuts.

• Inductive Reasoning

• Deductive Reasoning

I have seen hundreds of swans, and all of them were white. Therefore, I conclude that all swans are white.

• Inductive Reasoning

• Deductive Reasoning

All triangles have three sides. This shape has three sides, so it must be a triangle.

• Inductive Reasoning

• Deductive Reasoning

The sun has risen in the east every day of my life. Therefore, the sun will rise in the east tomorrow.

• Inductive Reasoning

• Deductive Reasoning

Everyone who has ever taken this class has passed. I’m taking this class, so I will pass too.

• Inductive Reasoning

• Deductive Reasoning

If it is raining, then the ground will be wet. It is raining, so the ground must be wet.

• Inductive Reasoning

• Deductive Reasoning