LOGICAL FALLACIES IN ARGUMENT

Person 1: Bicycle infrastructure should be expanded because cycling is a sustainable mode of transportation. 
Person 2: We should not build bike lanes because cyclists run red lights and endanger pedestrians.

• Circular Reasoning
• Either/Or
• Hasty Generalization
• Straw Man

Joan is scratched by a cat while visiting her friend. Two days later she comes down with a fever. Joan concludes that the cat's scratch must be the cause of her illness.

• Post Hoc Ergo Propter hoc
• Appeal to False Authority
• Bandwagon appeal
• Faulty Analogy

People either like coffee or hate it. 

• Ad Hominem
• Either/Or
• Begging the Question
• Ad Populum

I am voting for Smith for President because the rest of my family is voting for him. 

• Hasty Generalization
• Straw Man
• Bandwagon Appeal
• Appeal to False Authority

Tags

CCSS.RL.9-10.1

CCSS.RL.11-12.1

CCSS.RI.8.8

CCSS.RI.8.1

CCSS.RL.8.1

“How can you argue your case for vegetarianism when you are enjoying your steak?”

• Appeal to False Authorirty
• Bandwagon Appeal
• Faulty Analogy
• Ad Hominem

Tags

CCSS.RL.11-12.1

CCSS.RL.9-10.1

CCSS.RI.8.1

CCSS.RI.8.8

CCSS.RL.8.1

Smoking cigarettes is just like ingesting arsenic into your system; both have been shown to be causally related to death. If you wouldn't want to take a spoonful of arsenic, I would think that you wouldn't want to continue smoking.

• Hasty Generalization
• Faulty Analogy
• Straw Man
• Begging the Question

President Reagan was a great communicator because he had the knack of talking effectively to the people.

• Bandwagon Appeal
• Ad Hominem 
• Circular Reasoning
• Hasty Generalization

Tags

CCSS.RI.11-12.6

CCSS.SL.11-12.3

You should never gamble. Once you start gambling you find it hard to stop. Soon you are spending all your money on gambling, and eventually you will turn to crime to support your earnings.

• Non Sequitur 
• Slippery Slope
• Circular Reasoning
• Card Stacking

Tags

CCSS.RI.11-12.2

CCSS.RI.11-12.3

CCSS.RI.11-12.5

CCSS.RI.11-12.6

CCSS.SL.11-12.3

CCSS.W.11-12.1

She's wearing red shoes. Her favorite color must be red.

• Ad Hominem
• Hasty Generalization
• Non Sequitur 
• Straw Man

Tags

CCSS.SL.11-12.3

I saw Ashton Kutcher in a prescription drug commercial, therefore it has to be an effective drug. 

• Post Hoc Ergo Propter Hoc 
• Hasty Generalization
• Either/Or
• Appeal to False Authority