Logical Fallacies

My opponent is an untrustworthy liar and an idiot. Therefore, you should believe me.

• Hasty Generalization
• Circular Reasoning
• Guilt by Association
• 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

I met a tall man who loved to eat cheese. Now I believe that all tall people like cheese.

• Ad Hominem
• Hasty Generalization
• Affirming the Consequent
• Appeal to Irrelevant Authority

Tags

CCSS.RI.8.1

CCSS.RI.8.8

CCSS.RL.11-12.1

CCSS.RL.8.1

CCSS.RL.9-10.1

If you don't study, you'll fail your test. Then you will do poorly in the class and you GPA will fall. You won't get into a good college, so you'll never get a decent job and you'll end up poor and homeless.

• Slippery Slope
• Circular Reasoning
• False Dilemma
• Affirming the Consequent

Tags

CCSS.L.11-12.6

CCSS.L.9-10.6

CCSS.W.11-12.2D

CCSS.W.8.2D

CCSS.W.9-10.2D

Event C happened immediately prior to event E.
Therefore, C caused E.

• Circular Reasoning
• Post Hoc Ergo Propter Hoc
• Hasty Generalization
• Non sequitur

Three kids in one class failed the Jane Eyre quiz, I guess,all the other classes will all fail it, too.

• Either-or fallacy
• Hasty Generalization
• Veiled Threat
• 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

If we take away farmers' ability to grow genetically engineered crops, if we eliminate that option, people will go hungry, in fact, people will starve. Unlike my opponent, I choose to use the technology available to us and save lives.

• Straw Man
• Non-sequitur
• Bandwagon Appeal
• Post Hoc

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

Red Herring...

• creates fear in people as evidence to support a claim.
  
• (or jumping to conclusions)—draws a conclusion about a population based on a small sample.
• presents an irrelevant topic to divert attention away from the original issue.
• uses the logic that the way things used to be is better than they are now, ignoring any problems of the past.
  

Tags

CCSS.L.11-12.6

CCSS.L.8.6

CCSS.L.9-10.6

CCSS.W.11-12.2D

CCSS.W.9-10.2D

Paranormal activity is real because I have experienced what can only be described as paranormal activity.

• Red Herring
• Begging the Question
• Ad Hominem
• Slippery Slope

Power lines cause cancer.  I met a little boy with cancer who lived just 20 miles from a power line who looked into my eyes and said, in his weak voice, “Please do whatever you can so that other kids won’t have to go through what I am going through.” 

• Straw Man
• Appeal to Authority
• Hasty Generalization
• Appeal to Emotion