List of fallacies explained

A fallacy is the use of invalid or otherwise faulty reasoning in the construction of an argument. All forms of human communication can contain fallacies.

Because of their variety, fallacies are challenging to classify. They can be classified by their structure (formal fallacies) or content (informal fallacies). Informal fallacies, the larger group, may then be subdivided into categories such as improper presumption, faulty generalization, error in assigning causation, and relevance, among others.

The use of fallacies is common when the speaker's goal of achieving common agreement is more important to them than utilizing sound reasoning. When fallacies are used, the premise should be recognized as not well-grounded, the conclusion as unproven (but not necessarily false), and the argument as unsound.[1]

Formal fallacies

See main article: Formal fallacy.

A formal fallacy is an error in the argument's form. All formal fallacies are types of Latin: [[Non sequitur (logic)|non sequitur]].

Propositional fallacies

A propositional fallacy is an error that concerns compound propositions. For a compound proposition to be true, the truth values of its constituent parts must satisfy the relevant logical connectives that occur in it (most commonly: [and], [or], [not], [only if], [if and only if]). The following fallacies involve relations whose truth values are not guaranteed and therefore not guaranteed to yield true conclusions.
Types of propositional fallacies:

Quantification fallacies

A quantification fallacy is an error in logic where the quantifiers of the premises are in contradiction to the quantifier of the conclusion.
Types of quantification fallacies:

Formal syllogistic fallacies

Syllogistic fallacies – logical fallacies that occur in syllogisms.

Informal fallacies

See main article: Informal fallacy. Informal fallacies – arguments that are logically unsound for lack of well-grounded premises.

Improper premise

Faulty generalizations

Faulty generalization – reaching a conclusion from weak premises.

Questionable cause

Questionable cause is a general type of error with many variants. Its primary basis is the confusion of association with causation, either by inappropriately deducing (or rejecting) causation or a broader failure to properly investigate the cause of an observed effect.

Statistical fallacies

Relevance fallacies

Red herring fallacies

A red herring fallacy, one of the main subtypes of fallacies of relevance, is an error in logic where a proposition is, or is intended to be, misleading in order to make irrelevant or false inferences. This includes any logical inference based on fake arguments, intended to replace the lack of real arguments or to replace implicitly the subject of the discussion.[32] [33]

Red herring – introducing a second argument in response to the first argument that is irrelevant and draws attention away from the original topic (e.g.: saying "If you want to complain about the dishes I leave in the sink, what about the dirty clothes you leave in the bathroom?"). In jury trial, it is known as a Chewbacca defense. In political strategy, it is called a dead cat strategy.

P\lor\negP

does imply ought

P\lor\negP

for any proposition

P

, although the naturalistic fallacy fallacy would falsely declare such an inference invalid. Naturalistic fallacy fallacy is a type of argument from fallacy.

See also

References

Sources

Further reading

The following is a sample of books for further reading, selected for a combination of content, ease of access via the internet, and to provide an indication of published sources that interested readers may review. The titles of some books are self-explanatory. Good books on critical thinking commonly contain sections on fallacies, and some may be listed below.

External links

Notes and References

  1. Book: Hornby, A. S. . Oxford Advanced Learner's Dictionary of Current English . 2010 . Oxford University Press . 9780194799003 . 8th . sophist.
  2. Web site: Appeal to possibility . Bennett . Bo . Logically Fallacious . 2023-03-17.
  3. Book: Carrier, Richard . Proving History: Bayes's Theorem and the Quest for the Historical Jesus . Prometheus Books . 2012 . 26–29 . 9781616145590.
  4. Web site: Base Rate Fallacy . 2011-02-01 . Psychology Glossary . AlleyDog.com . 2011-07-07 . https://web.archive.org/web/20110707113446/http://www.alleydog.com/glossary/definition.php?term=Base%20Rate%20Fallacy . live.
  5. Web site: Conjunction Fallacy . 2011-02-01 . ChangingMinds.org . Straker . David . 2011-08-13 . https://web.archive.org/web/20110813092704/http://changingminds.org/explanations/theories/conjunction_fallacy.htm . live.
  6. Web site: Bennett. Bo. Non Sequitur. live. logicallyfallacious. 2021-04-23. 2022-07-01. https://web.archive.org/web/20220701051548/https://www.logicallyfallacious.com/uy/loading.html.
  7. Book: Feinberg, Joel . Ethical Theory: An Anthology . Psychological Egoism . 193 . Russ . Shafer-Landau . Wiley-Blackwell . Blackwell Philosophy Anthologies . 2007 . 9781405133203 . https://books.google.com/books?id=By9nCkAvS6EC&pg=PT211 . 2016-10-04 . 2016-11-21 . https://web.archive.org/web/20161121111523/https://books.google.com/books?id=By9nCkAvS6EC&pg=PT211 . live.
  8. The Naturalistic Fallacy . W. K. . Frankena . Mind . 48 . October 1939 . 464–477 . Oxford University Press . 2250706 . 192. 10.1093/mind/XLVIII.192.464.
  9. Web site: Carroll. Robert T.. Robert Todd Carroll. The Skeptic's Dictionary. divine fallacy (argument from incredulity). 5 April 2013. 10 April 2013. https://web.archive.org/web/20130410153028/http://www.skepdic.com/dvinefal.html. live.
  10. Web site: Zabel . Joseph . The Motte and the Bailey: A rhetorical strategy to know . heterodoxacademy.org . 9 August 2017 . 30 January 2020 . 4 February 2020 . https://web.archive.org/web/20200204013358/https://heterodoxacademy.org/the-motte-and-the-bailey-a-rhetorical-strategy-to-know/ . live.
  11. Shackel . Nicholas . The Vacuity of Postmodernist Methodology . . 2005 . 36 . 3 . 295–320 . 10.1111/j.1467-9973.2005.00370.x . For my purposes the desirable but only lightly defensible territory of the Motte and Bailey castle, that is to say, the Bailey, represents a philosophical doctrine or position with similar properties: desirable to its proponent but only lightly defensible. The Motte is the defensible but undesired position to which one retreats when hard pressed ... . 2020-09-06 . 2020-10-13 . https://web.archive.org/web/20201013172901/http://orca.cf.ac.uk/50091/1/shackel%20The%20Vacuity%20of%20Postmodernist%20Methodology%20final%20archivable.pdf . live.
  12. Web site: Motte and Bailey Doctrines . Shackel . Nicholas . 5 September 2014 . Practical Ethics: Ethics in the News . Cardiff University / University of Oxford . 23 May 2019 . Some people have spoken of a Motte and Bailey Doctrine as being a fallacy and others of it being a matter of strategic equivocation. Strictly speaking, neither is correct. . 14 May 2019 . https://web.archive.org/web/20190514204223/http://blog.practicalethics.ox.ac.uk/2014/09/motte-and-bailey-doctrines/ . live.
  13. Web site: Fallacy – False Dilemma . 2011-02-01 . The Nizkor Project . Nizkor . https://web.archive.org/web/20150923145959/http://www.nizkor.org/features/fallacies/false-dilemma.html . 2015-09-23 . dead.
  14. The Feedback Fallacy . Marcus Buckingham . Ashley Goodall . March–April 2019 . . 2019-03-11 . 2019-05-27 . https://web.archive.org/web/20190527230154/https://hbr.org/2019/03/the-feedback-fallacy . live.
  15. "The Reflex Arc Concept in Psychology", John Dewey, The Psychological Review, Vol. III. No. 4. July 1896. p. 367
  16. Web site: A List Of Fallacious Arguments. 6 October 2012.
  17. Web site: Bennett. Bo. Inflation of Conflict.
  18. Sewanee Review . 54 . 1946 . 468–488 . William K. . Wimsatt . William K. Wimsatt . Monroe C. . Beardsley . Monroe Beardsley . The Intentional Fallacy. Revised and republished in Book: Wimsatt, W.K. . The Verbal Icon: Studies in the Meaning of Poetry . 1954 . University Press of Kentucky . 3–18 . 0813128579 . https://web.archive.org/web/20231221132131/https://books.google.co.uk/books?id=KmrUKcU2JUoC&pg=PA3#v=onepage&q&f=false . December 21, 2023.
  19. Book: Taleb, Nassim . The Black Swan . Random House . 2007 . 9781400063512 . 309 . 2016-02-24 . 2016-11-21 . https://web.archive.org/web/20161121062612/https://books.google.com/books?id=7wMuF4A4XF8C&pg=PA127 . live.
  20. News: Economics A–Z: terms beginning with L . . 21 December 2016 . 19 December 2016 . https://web.archive.org/web/20161219185928/http://www.economist.com/economics-a-to-z/l . live.
  21. Semiotics Glossary R, Referential fallacy or illusion
  22. Web site: Fallacy: Begging the Question. nizkor.org. 2016-02-24. https://web.archive.org/web/20190310182956/http://www.nizkor.org/features/fallacies/begging-the-question.html. 2019-03-10. dead.
  23. Web site: Begging the Question. txstate.edu. 2016-02-24. 2015-09-28. https://web.archive.org/web/20150928002901/http://www.txstate.edu/philosophy/resources/fallacy-definitions/Begging-the-Question.html. live.
  24. Book: John D. Ramage. John C. Bean. June Johnson. Writing Arguments: A Rhetoric with Readings, Concise Edition, MLA Update Edition. 2016. Pearson Education . 9780134586496 . 275. 2018-04-03. 2020-02-20. https://web.archive.org/web/20200220033132/https://books.google.com/books?id=T-HEjwEACAAJ. live.
  25. Web site: Bennett. Bo. Cherry Picking. live. logicallyfallacious. 2022-07-01. https://web.archive.org/web/20220701051554/https://www.logicallyfallacious.com/uy/loading.html.
  26. 2709600. Johnson's Refutation of Berkeley: Kicking the Stone Again. Patey. Douglas Lane. Journal of the History of Ideas. 1986. 47. 1. 139–145. 10.2307/2709600.
  27. https://web.archive.org/web/20081002080428/http://www.cuyamaca.edu/brucethompson/Fallacies/invincible_ignorance.asp "Invincible Ignorance" by Bruce Thompson, Department of Humanities (Philosophy), Cuyamaca College
  28. Web site: Argument from personal incredulity – Toolkit For Thinking. www.toolkitforthinking.com. 2013-11-08. 2015-07-05. https://web.archive.org/web/20150705102956/http://www.toolkitforthinking.com/critical-thinking/anatomy-of-an-argument/denial-arguments/argument-from-personal-incredulity. live.
  29. Web site: Repetition. changingminds.org. 2016-02-24. 2016-03-04. https://web.archive.org/web/20160304070441/http://changingminds.org/disciplines/argument/fallacies/repetition.htm. live.
  30. Web site: Ad nauseam – Toolkit For Thinking. toolkitforthinking.com. 2016-02-24. 2016-03-04. https://web.archive.org/web/20160304035744/http://www.toolkitforthinking.com/critical-thinking/anatomy-of-an-argument/inductive-logic-arguments/ad-nauseam. live.
  31. Web site: Argument from silence – Toolkit For Thinking. toolkitforthinking.com. 2016-02-24. 2016-03-04. https://web.archive.org/web/20160304035749/http://www.toolkitforthinking.com/critical-thinking/anatomy-of-an-argument/inductive-logic-arguments/argument-from-silence. live.
  32. Web site: Logical Fallacy: Red Herring. Gary Curtis. fallacyfiles.org. 2016-02-24. 2016-03-03. https://web.archive.org/web/20160303234648/http://www.fallacyfiles.org/redherrf.html. live.
  33. Web site: Logical Fallacies. logicalfallacies.info. 2016-02-24. 2016-02-21. https://web.archive.org/web/20160221165603/http://www.logicalfallacies.info/relevance/red-herring/. live.
  34. Web site: Circumstantial Ad Hominem . Nizkor . September 5, 2018 . https://web.archive.org/web/20150713071518/http://www.nizkor.org/features/fallacies/circumstantial-ad-hominem.html . July 13, 2015 . dead.
  35. Web site: Appeal to Fear. changingminds.org. 2014-02-11. 2014-02-22. https://web.archive.org/web/20140222043648/http://changingminds.org/disciplines/argument/fallacies/appeal_fear.htm. live.
  36. Web site: Appeal to Ridicule. changingminds.org. 2014-02-11. 2014-02-22. https://web.archive.org/web/20140222043401/http://changingminds.org/disciplines/argument/fallacies/appeal_ridicule.htm. live.
  37. Web site: Appeal to Spite. changingminds.org. 2014-02-11. 2014-02-22. https://web.archive.org/web/20140222043651/http://changingminds.org/disciplines/argument/fallacies/appeal_spite.htm. live.
  38. Book: Munson . Ronald . Black . Andrew . 2016 . The Elements of Reasoning . Cengage Learning . 257 . 9781305886834 . 2015-11-13 . 2016-01-18 . https://web.archive.org/web/20160118103919/https://books.google.com/books?id=fr4aCgAAQBAJ&pg=PA257 . live.
  39. Web site: Bennett. Bo. Style over Substance. logicallyfallacious. 2022-07-06.
  40. Web site: Logical Fallacy: Appeal to Nature. Gary Curtis. fallacyfiles.org. 2014-02-11. 2015-09-24. https://web.archive.org/web/20150924010048/http://www.fallacyfiles.org/adnature.html. live.
  41. Web site: Appeal to Widespread Belief. 6 October 2012. https://web.archive.org/web/20110613024542/http://mason.gmu.edu/~cmcgloth/portfolio/fallacies/appealwide.html. 13 June 2011. dead. dmy-all.
  42. Web site: Logical Fallacy: Guilt by Association. Gary Curtis. fallacyfiles.org. 2014-02-11. 2019-06-05. https://web.archive.org/web/20190605091022/http://www.fallacyfiles.org/guiltbya.html. live.
  43. Web site: Bennett. Bo. Logic Chopping. live. LogicallyFallacious. 2021-05-29. 2022-07-01. https://web.archive.org/web/20220701051554/https://www.logicallyfallacious.com/uy/loading.html.
  44. Book: Byerly, Henry. A primer of logic. Harper & Row. 1973. 0060411139.
  45. Book: Whitney . William Dwight . William Dwight Whitney . Smith . Benjamin Eli . Benjamin Eli Smith . The Century Dictionary and Cyclopedia . The Century Co. . New York . IV . 3179–3180 . 1897 . December 21, 2023 . December 21, 2023 . https://web.archive.org/web/20231221142048/https://books.google.co.uk/books?id=uSVPAAAAYAAJ&pg=PA3179#v=onepage&q&f=false . live.
  46. Book: Westbrook, Robert B. . John Dewey and American Democracy . Cornell University Press . 1991 . 359 . 978-0-8014-8111-6.
  47. Book: VanderMey . Randall . Meyer . Verne . Van Rys . John . Sebranek . Patrick . COMP . 2012 . Cengage Learning . 9781133307747 . 2017-12-12 . 2021-10-16 . https://web.archive.org/web/20211016062903/https://books.google.com/books?id=l7I-ykFAC3cC&pg=PA183&dq=bare+assertion+fallacy#v=onepage&q=bare%2520assertion%2520fallacy . dead . Bare assertion. The most basic way to distort an issue is to deny that it exists. This fallacy claims, 'That's just how it is.'.
  48. Web site: Encyclopedia Barfieldiana. davidlavery.net. 2014-02-11. 2013-05-20. https://web.archive.org/web/20130520190938/http://davidlavery.net/barfield/encyclopedia_barfieldiana/Lexicon/Chronological.html. live.
  49. Web site: Chronological snobbery – Summa Bergania . February 11, 2014 . dead . https://web.archive.org/web/20120205021701/http://www.davidbergan.com/Summa/Chronological_snobbery . February 5, 2012.
  50. Book: Turkel, Bruce. All about Them: Grow Your Business by Focusing on Others. 2016. Da Capo Press . 9780738219202 . Google Books. 15 November 2020. 5 August 2021. https://web.archive.org/web/20210805143406/https://books.google.com/books?id=XZXSDQAAQBAJ&q=%22first+world%22+%22relative+privation%22&pg=PA31. live.
  51. Web site: Relative privation. Bennett. Bo. Logically Fallacious. 2019-12-30. 2019-11-05. https://web.archive.org/web/20191105205136/https://www.logicallyfallacious.com/tools/lp/Bo/LogicalFallacies/155/Relative-Privation. live.
  52. Web site: TheFreeDictionary.com . Naturalistic fallacy . 2013-07-01 . 2013-06-04 . https://web.archive.org/web/20130604041646/http://www.thefreedictionary.com/Naturalistic+fallacy . live.
  53. Searle. John R.. January 1964. How to Derive "Ought" From "Is". The Philosophical Review. 73. 1. 43–58. 10.2307/2183201. 2183201 . 0031-8108. 2017-09-03. 2017-02-07. https://web.archive.org/web/20170207022418/http://www.jstor.org/stable/2183201. live.
  54. Alex . Walter . 2006 . The Anti-naturalistic Fallacy: Evolutionary Moral Psychology and the Insistence of Brute Facts . Evolutionary Psychology . 4 . 1 . 34–48 . 1474-7049 . doi . 10.1177/147470490600400102. free .
  55. Web site: The Logical Fallacies . Downes, Stephen . 25 February 2016 . dead . https://web.archive.org/web/20160303181716/http://web.uvic.ca/psyc/skelton/Teaching/General%20Readings/Logical%20Falllacies.htm#_Toc495459590 . 3 March 2016 .