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Welcome! This is the place to ask the community of experts and other fallacyophites (I made up that word) if someone has a committed a fallacy or not. This is a great way to settle a dispute! This is also the home of the "Mastering Logical Fallacies" student support.


Dr. Bo's Criteria for Logical Fallacies:

  1. It must be an error in reasoning not a factual error.
  2. It must be commonly applied to an argument either in the form of the argument or in the interpretation of the argument.
  3. It must be deceptive in that it often fools the average adult.

Therefore, we will define a logical fallacy as a concept within argumentation that commonly leads to an error in reasoning due to the deceptive nature of its presentation. Logical fallacies can comprise fallacious arguments that contain one or more non-factual errors in their form or deceptive arguments that often lead to fallacious reasoning in their evaluation.

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All Questions

Posts Ordered by Date

Classifying Manipulation (3 days ago)
Classifying Manipulation (3 days ago)
Classifying Manipulation (3 days ago)
Atom bombs do not work (3 days ago)
Atom bombs do not work (3 days ago)
Everything = "Holocaust Denial" (3 days ago)
Atom bombs do not work (3 days ago)
Everything = "Holocaust Denial" (3 days ago)
Everything = "Holocaust Denial" (3 days ago)
Everything = "Holocaust Denial" (3 days ago)
Everything = "Holocaust Denial" (4 days ago)
Everything = "Holocaust Denial" (4 days ago)
Corporate Philanthropy (4 days ago)
Everything = "Holocaust Denial" (4 days ago)
Corporate Philanthropy (4 days ago)
Corporate Philanthropy (4 days ago)
Which fallacy? (4 days ago)
Which fallacy? (4 days ago)
Which fallacy? (4 days ago)
Is this an Argument from Silence? (4 days ago)
Everything = "Holocaust Denial" (4 days ago)
Which fallacy? (4 days ago)
Corporate Philanthropy (4 days ago)
Is this an Argument from Silence? (5 days ago)
Is this an Argument from Silence? (4 days ago)
George Washington vs Robert E. Lee (5 days ago)
Is this an Argument from Silence? (5 days ago)
George Washington vs Robert E. Lee (5 days ago)
George Washington vs Robert E. Lee (5 days ago)
George Washington vs Robert E. Lee (5 days ago)
George Washington vs Robert E. Lee (5 days ago)
George Washington vs Robert E. Lee (5 days ago)
Is not the fallacy "argumentum ad bacculum" the "bottom line" of religion? (5 days ago)
George Washington vs Robert E. Lee (5 days ago)
George Washington vs Robert E. Lee (5 days ago)
Is not the fallacy "argumentum ad bacculum" the "bottom line" of religion? (Aug 17, 2017)
Is not the fallacy "argumentum ad bacculum" the "bottom line" of religion? (Aug 17, 2017)
Is not the fallacy "argumentum ad bacculum" the "bottom line" of religion? (Aug 16, 2017)
Is not the fallacy "argumentum ad bacculum" the "bottom line" of religion? (Aug 17, 2017)
Is not the fallacy "argumentum ad bacculum" the "bottom line" of religion? (Aug 16, 2017)
The Only Way (Aug 13, 2017)
The Only Way (Aug 16, 2017)
The Only Way (Aug 15, 2017)
The Only Way (Aug 15, 2017)
The Only Way (Aug 15, 2017)
The Only Way (Aug 15, 2017)
The Only Way (Aug 15, 2017)
The Only Way (Aug 14, 2017)
The Only Way (Aug 14, 2017)
The Only Way (Aug 13, 2017)
Spot the fallacies (Aug 11, 2017)
Spot the fallacies (Aug 10, 2017)
Spot the fallacies (Aug 11, 2017)
Spot the fallacies (Aug 11, 2017)
Person A uncovers & reports 1200 examples of Group B breaching professional guidelines. Support. . . (Aug 10, 2017)
Spot the fallacies (Aug 10, 2017)
Person A uncovers & reports 1200 examples of Group B breaching professional guidelines. Support. . . (Aug 09, 2017)
Person A uncovers & reports 1200 examples of Group B breaching professional guidelines. Support. . . (Aug 10, 2017)
Spot the fallacies (Aug 10, 2017)
Spot the fallacies (Aug 10, 2017)
Person A uncovers & reports 1200 examples of Group B breaching professional guidelines. Support. . . (Aug 10, 2017)
Person A uncovers & reports 1200 examples of Group B breaching professional guidelines. Support. . . (Aug 10, 2017)
Person A uncovers & reports 1200 examples of Group B breaching professional guidelines. Support. . . (Aug 10, 2017)
North Korea - Slippery slope fallacy? (Aug 09, 2017)
North Korea - Slippery slope fallacy? (Aug 09, 2017)
North Korea - Slippery slope fallacy? (Aug 08, 2017)
North Korea - Slippery slope fallacy? (Aug 09, 2017)
North Korea - Slippery slope fallacy? (Aug 09, 2017)
North Korea - Slippery slope fallacy? (Aug 09, 2017)
North Korea - Slippery slope fallacy? (Aug 08, 2017)
North Korea - Slippery slope fallacy? (Aug 08, 2017)
Disputing what is considered to be fallacious (Jul 30, 2017)
Disputing what is considered to be fallacious (Jul 30, 2017)
Best way to critique this letter (Jul 27, 2017)
Best way to critique this letter (Jul 25, 2017)
Best way to critique this letter (Jul 27, 2017)
I was told that because I do not believe I a deity due to lack of evidence, that this is a logical fallacy? (Jul 26, 2017)
Best way to critique this letter (Jul 26, 2017)
Best way to critique this letter (Jul 25, 2017)
I was told that because I do not believe I a deity due to lack of evidence, that this is a logical fallacy? (Jul 25, 2017)
I was told that because I do not believe I a deity due to lack of evidence, that this is a logical fallacy? (Jul 25, 2017)
I was told that because I do not believe I a deity due to lack of evidence, that this is a logical fallacy? (Jul 23, 2017)
I was told that because I do not believe I a deity due to lack of evidence, that this is a logical fallacy? (Jul 24, 2017)
No True Scotsman Fallacy (Jul 24, 2017)
I was told that because I do not believe I a deity due to lack of evidence, that this is a logical fallacy? (Jul 23, 2017)
I was told that because I do not believe I a deity due to lack of evidence, that this is a logical fallacy? (Jul 23, 2017)
I was told that because I do not believe I a deity due to lack of evidence, that this is a logical fallacy? (Jul 23, 2017)
I want to know what are the fallacies that this quote has! (Jul 20, 2017)
I want to know what are the fallacies that this quote has! (Jul 20, 2017)
I want to know what are the fallacies that this quote has! (Jul 19, 2017)
I want to know what are the fallacies that this quote has! (Jul 20, 2017)
I want to know what are the fallacies that this quote has! (Jul 20, 2017)
Is it a fallacy to logically draw a conclusion from a false premise? (Feb 03, 2016)
Is it a fallacy to logically draw a conclusion from a false premise? (Jul 11, 2017)
Is there a reverse of the anecdotal fallacy? (Jul 07, 2017)
Is there a reverse of the anecdotal fallacy? (Jul 07, 2017)
No True Scotsman (Jun 25, 2017)
No True Scotsman (Jul 07, 2017)
Reality and Subjectivity (Jul 03, 2017)
Reality and Subjectivity (Jul 03, 2017)
Strawman Fallacy (Jul 01, 2017)
Strawman Fallacy (Jun 30, 2017)
No True Scotsman (Jun 26, 2017)
No True Scotsman (Jun 26, 2017)
No True Scotsman (Jun 26, 2017)
If a premise is demonstrably untrue, does it automatically beg the question? (Jun 26, 2017)
No True Scotsman (Jun 26, 2017)
No True Scotsman (Jun 26, 2017)
No True Scotsman (Jun 26, 2017)
No True Scotsman (Jun 26, 2017)
No True Scotsman (Jun 25, 2017)
Right and Wrong (Jun 21, 2017)
Right and Wrong (Jun 21, 2017)
Which fallacy is this? (Jun 20, 2017)
Which fallacy is this? (Jun 18, 2017)
Which fallacy is this? (Jun 18, 2017)
Sugar is sweet.therefor,its chemical component,carbon,hydrogenand oxygen are sweet (Jun 16, 2017)
Sugar is sweet.therefor,its chemical component,carbon,hydrogenand oxygen are sweet (Jun 17, 2017)
When is a fact real, and what is an industry standard? (Jun 16, 2017)
When is a fact real, and what is an industry standard? (Jun 16, 2017)
Sugar is sweet.therefor,its chemical component,carbon,hydrogenand oxygen are sweet (Jun 16, 2017)
Women, Rape, and Responsibility (Jun 05, 2017)
Women, Rape, and Responsibility (Jun 06, 2017)
Women, Rape, and Responsibility (Jun 06, 2017)
Is this Equivocation, Circular Reasoning, or Valid? (Words = "exist" / "existence") (Jun 01, 2017)
Is this Equivocation, Circular Reasoning, or Valid? (Words = "exist" / "existence") (Jun 01, 2017)
Is this Equivocation, Circular Reasoning, or Valid? (Words = "exist" / "existence") (Jun 01, 2017)
Is this Equivocation, Circular Reasoning, or Valid? (Words = "exist" / "existence") (Jun 01, 2017)
Is this Equivocation, Circular Reasoning, or Valid? (Words = "exist" / "existence") (May 26, 2017)
Is this Equivocation, Circular Reasoning, or Valid? (Words = "exist" / "existence") (Jun 01, 2017)
Is this Equivocation, Circular Reasoning, or Valid? (Words = "exist" / "existence") (May 31, 2017)
Is this Equivocation, Circular Reasoning, or Valid? (Words = "exist" / "existence") (May 31, 2017)
Is this Equivocation, Circular Reasoning, or Valid? (Words = "exist" / "existence") (May 31, 2017)
Is this Equivocation, Circular Reasoning, or Valid? (Words = "exist" / "existence") (May 30, 2017)
Is this Equivocation, Circular Reasoning, or Valid? (Words = "exist" / "existence") (May 29, 2017)
Is this Equivocation, Circular Reasoning, or Valid? (Words = "exist" / "existence") (May 29, 2017)
Is this Equivocation, Circular Reasoning, or Valid? (Words = "exist" / "existence") (May 29, 2017)
Is this Equivocation, Circular Reasoning, or Valid? (Words = "exist" / "existence") (May 29, 2017)
Is this Equivocation, Circular Reasoning, or Valid? (Words = "exist" / "existence") (May 29, 2017)
Is this Equivocation, Circular Reasoning, or Valid? (Words = "exist" / "existence") (May 29, 2017)
Is this Equivocation, Circular Reasoning, or Valid? (Words = "exist" / "existence") (May 29, 2017)
Is this Equivocation, Circular Reasoning, or Valid? (Words = "exist" / "existence") (May 28, 2017)
Is this Equivocation, Circular Reasoning, or Valid? (Words = "exist" / "existence") (May 27, 2017)
Is this Equivocation, Circular Reasoning, or Valid? (Words = "exist" / "existence") (May 26, 2017)
Is this Equivocation, Circular Reasoning, or Valid? (Words = "exist" / "existence") (May 26, 2017)
Is not the "bottom line" argumentum ad bacculum? (May 25, 2017)
Is not the "bottom line" argumentum ad bacculum? (May 25, 2017)
What fallacy is this? (May 19, 2017)
What fallacy is this? (May 19, 2017)
What fallacy is this? (May 19, 2017)
What fallacy is this? (May 19, 2017)
What fallacy is this? (May 18, 2017)
What fallacy is this? (May 16, 2017)
What fallacy is this? (May 18, 2017)
What fallacy is this? (May 18, 2017)
What fallacy is this? (May 17, 2017)
What fallacy is this? (May 16, 2017)
Fallacies by Fictional Characters (May 15, 2017)
Fallacies by Fictional Characters (May 15, 2017)
Fallacies by Fictional Characters (May 15, 2017)
Is there a cherry picking without intention and/or selectivity? (May 11, 2017)
"Perception is reality" (May 10, 2017)
"Perception is reality" (May 09, 2017)
Is there a cherry picking without intention and/or selectivity? (May 09, 2017)
Is there a cherry picking without intention and/or selectivity? (May 09, 2017)
Is there a cherry picking without intention and/or selectivity? (May 09, 2017)
Is there a cherry picking without intention and/or selectivity? (May 09, 2017)
What kind of fallacy is it when someone states that because person A has not done everything in his . . . (May 02, 2017)
What kind of fallacy is it when someone states that because person A has not done everything in his . . . (May 01, 2017)
Is "Where do we draw the line" a slippery slope fallacy? (Apr 17, 2017)
What fallacies are being drawn upon with the defence of 'its an isolated incident' (Apr 17, 2017)
Is "Where do we draw the line" a slippery slope fallacy? (Apr 17, 2017)
What fallacies are being drawn upon with the defence of 'its an isolated incident' (Apr 17, 2017)
"X is bad, therefore Y is good": what is this fallacy called? (Apr 17, 2017)
Is "Where do we draw the line" a slippery slope fallacy? (Apr 17, 2017)
When is a red herring not a red herring. (Apr 14, 2017)
When is a red herring not a red herring. (Apr 17, 2017)
Is "Where do we draw the line" a slippery slope fallacy? (Apr 17, 2017)
When is a red herring not a red herring. (Apr 17, 2017)
When is a red herring not a red herring. (Apr 17, 2017)
When is a red herring not a red herring. (Apr 16, 2017)
When is a red herring not a red herring. (Apr 16, 2017)
When is a red herring not a red herring. (Apr 15, 2017)
When is a red herring not a red herring. (Apr 14, 2017)
"X is bad, therefore Y is good": what is this fallacy called? (Apr 13, 2017)
"X is bad, therefore Y is good": what is this fallacy called? (Apr 14, 2017)
Is there a Response Rate Fallacy (if not there should be IMHO) (Apr 13, 2017)
Is there a Response Rate Fallacy (if not there should be IMHO) (Apr 13, 2017)
What fallacies are being drawn upon with the defence of 'its an isolated incident' (Apr 12, 2017)
What fallacies are being drawn upon with the defence of 'its an isolated incident' (Apr 12, 2017)
What fallacies are being drawn upon with the defence of 'its an isolated incident' (Apr 12, 2017)
Begging the Question (Apr 10, 2017)
Begging the Question (Mar 30, 2017)
Is there a Response Rate Fallacy (if not there should be IMHO) (Apr 01, 2017)
Is there a Response Rate Fallacy (if not there should be IMHO) (Apr 01, 2017)
Does anyone know the name of this fallacy? (Apr 01, 2017)
'It's for your own good' fallacy? (Apr 01, 2017)
Is this a fallacy? (Mar 11, 2017)
Is this a fallacy? (Apr 01, 2017)
what is fallacy:when someone ask reverse question, in answer to question asked on first place and av. . . (Apr 01, 2017)
Rational v Irrationonal (Apr 01, 2017)
Appeal to definition (Apr 01, 2017)
Islamism confused/conflated with racism (Apr 01, 2017)
Are these True fallacies or a subset of another fallacy? (Apr 01, 2017)
Is it possible to change someone's belief with argument and evidence? (Apr 01, 2017)
Averaging Data (Apr 01, 2017)
Calling someone a hypocrite using different facts (Apr 01, 2017)
This seems fallacious (Apr 01, 2017)
Is this statement fallacious? (Apr 01, 2017)
Question About Authority (Apr 01, 2017)
God Equated to Unicorns (Apr 01, 2017)
Fallacy wherein subjective experience is interpreted as objective? (Apr 01, 2017)
What is the fallacy of sweeping generalization (Apr 01, 2017)
Relationship argument: "You don't want to hang out often as I do, so you don't care as much as . . . (Apr 01, 2017)
What kind of fallacy is this: "We have to believe in free will. We've got no choice." (Apr 01, 2017)
Is this an ad hominem (guilt by association)? (Apr 01, 2017)
The validity of Dawkins' Metaphysical Philosophy (Apr 01, 2017)
I have this form a debate and wanted to see if there is a fallacy: (Apr 01, 2017)
The question of 'proof' challenging the scientific methods of falsification. (Apr 01, 2017)
Question about sources (Apr 01, 2017)
What is the fallacy here? (Apr 01, 2017)
Quick fallacy check? (Apr 01, 2017)
Trump Fallacy? (Apr 01, 2017)
A form of circularity (Sep 26, 2016)
A new semi-fallacy in Trump's speech? (Apr 01, 2017)
Is this equivocation? (Apr 01, 2017)
All thought is metaphorical (Apr 01, 2017)
Does Wesley C. Salmon beg the question? (Apr 01, 2017)
Is there an "appeal to minority?" (Apr 01, 2017)
Is this a straw man argument? (Apr 01, 2017)
I'm not sure of the type of fallacy used here (Apr 01, 2017)
Cause and effect (Apr 01, 2017)
Premise invalid, if the conclusion is fallacious? (Apr 01, 2017)
You've never experienced X, so you can't have an opinion on it (Apr 01, 2017)
Coincidence or truth? (Apr 01, 2017)
Guilt trip fallacy? (Apr 01, 2017)
Worse off? (Apr 01, 2017)
Confusing Result with Initial Purpose (Apr 01, 2017)
Selective Application (Apr 01, 2017)
If Jesus Christ is not God, then what kind of fallacy is Romans 5:8? (Apr 01, 2017)
Fallacies in Candidate statements? (Apr 01, 2017)
Government Checks (Apr 01, 2017)
if it wasn't for X we wouldn't have Y (Apr 01, 2017)
professor Kamiji argues that anytime the Ghanaian hip hop artiste, blae Sam, travels to his mother's. . . (Apr 01, 2017)
Perception of a problem IS a problem (Apr 01, 2017)
Subjectivity, George Orwell, and Feelings vs. Facts (Apr 01, 2017)
This may be a matter of semantics, but I'm trying to pin down what fallacy this is. (Apr 01, 2017)
No True Scotsman Fallacy (Apr 01, 2017)

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