Logical Fallacies

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

Tags

CCSS.RI.8.1

CCSS.RI.8.8

CCSS.RL.11-12.1

CCSS.RL.8.1

CCSS.RL.9-10.1

People either like coffee or hate it. 

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

Tags

CCSS.RI.9-10.8

CCSS.SL.9-10.3

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.RI.8.1

CCSS.RI.8.8

CCSS.RL.11-12.1

CCSS.RL.8.1

CCSS.RL.9-10.1

“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.RI.8.1

CCSS.RI.8.8

CCSS.RL.11-12.1

CCSS.RL.8.1

CCSS.RL.9-10.1

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

Tags

CCSS.RI.8.1

CCSS.RI.8.8

CCSS.RL.11-12.1

CCSS.RL.8.1

CCSS.RL.9-10.1

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.8.1

CCSS.RI.8.8

CCSS.RL.11-12.1

CCSS.RL.8.1

CCSS.RL.9-10.1

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

Tags

CCSS.RI.8.1

CCSS.RI.8.8

CCSS.RL.11-12.1

CCSS.RL.8.1

CCSS.RL.9-10.1

An argument that appeals to popular opinion as the basis for its truth.

• hasty generalization

• circular reasoning

• guilt by association

• bandwagon fallacy

Tags

CCSS.RI.8.1

CCSS.RI.8.8

CCSS.RL.11-12.1

CCSS.RL.8.1

CCSS.RL.9-10.1

An argument based on a personal attack on someone's character.

• appeal to nature

• ad hominem

• non sequitur

• bandwagon fallacy

Tags

CCSS.RI. 9-10.8

CCSS.RI.11-12.5

CCSS.RI.11-12.8

CCSS.RI.8.5

CCSS.RI.9-10.5

Substituting a person's actual position with a misrepresented (and usually weaker) version of their argument.

• straw man argument

• appeal to nature

• non sequitur

• guilt by association

Tags

CCSS.RI.8.1

CCSS.RI.8.8

CCSS.RL.11-12.1

CCSS.RL.8.1

CCSS.RL.9-10.1