Inductive vs. Deductive

Since all humans are mortal, and I am human, then I am mortal. 

• Deductive
• Inductive

All bears are mammals, all mammals have kidneys; therefore all bears have kidneys. 

• Deductive
• Inductive

Every time you eat shellfish, your throat swells up and you can't breathe.  So, you are allergic to shellfish. 

• Deductive
• Inductive

Tags

CCSS.HSS.CP.A.3

Sarah just moved here from Chicago, and she has blue eyes.  Therefore, all people from Chicago have blue eyes. 

• Deductive
• Inductive

All numbers ending in 0 or 5 are divisible by 5.  The number 35 ends with a 5, so it is divisible by 5. 

• Deductive
• Inductive 

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CCSS.HSA.REI.A.1

All chickens that we have seen have been brown; so, all chickens are brown. 

• Deductive
• Inductive

It is dangerous to drive on icy streets.  The streets are icy now so it is dangerous to drive now. 

• Deductive
• Inductive

Veterinarians have stated that all cats have a keen sense of smell.  Fluffy is a cat, so Fluffy has a keen sense of smell. 

• Deductive
• Inductive

Snakes are reptiles and reptiles are cold blooded; therefore, snakes are cold blooded. 

• Deductive
• Inductive 

All basketball players in your school are tall, so all basketball players must be tall. 

• Deductive
• Inductive