Logical Fallacies

LogFall

A practical logical-fallacies reference with clear explanations, usable examples, and teaching tools.

Fallacy profile

Argument from repetition

Occurs when repetition is treated as if it adds evidence, wearing down doubt or making a claim seem true through familiarity.

Tactical

Definition

Occurs when repetition is treated as if it adds evidence, wearing down doubt or making a claim seem true through familiarity.

Illustrative example

People have been saying for months that the election was stolen, so there has to be something to it.

Teaching gauges

These 0-100 gauges are teaching aids for comparing fallacies. They are editorial classroom estimates, not measured statistics.

Near-constant

85

Common in today's rhetoric

Shows up constantly in current politics, media, and online argument.

Easy to catch

80

Easy to spot

Often easy to catch with a little attention.

Moderate risk

40

Easy to innocently commit

Less often innocent; the move usually takes more pressure or steering.

Foundational

25

Difficulty

Usually approachable without much prior logic background.

Middle school+Rhetoric / debate

Reference

Family

Persuasive/Appeal Fallacy

The argument leans on emotional, social, or rhetorical force where evidence or reasoning should do the work.

Aliases

argumentum ad nauseam

Quick check

Is the argument still addressing the original issue, or has the conversation been steered away?

Why it misleads

A fuller explanation of how the fallacy works and why it can look persuasive.

A claim does not become better supported because it is repeated by the same speaker, echoed by many speakers, or circulated for a long time. Repetition changes familiarity, not the underlying evidence.

That's like saying...

Instead of leading with the label, this analogy answers the shape of the reasoning move directly so the mistake is easier to see in plain language.

Fallacious claim

People have been saying for months that the election was stolen, so there has to be something to it.

That's like saying...

That's like hitting refresh on the same rumor and counting each reload as new proof. Familiarity is being mistaken for support.

Caveat

This label is easy to overuse. The point here is not to call every weak argument by this name, but to reserve it for the exact misstep it describes.

Common misapplication

Do not use this label every time an argument feels unfair, heated, or evasive. It applies when the move really does distract from, pressure, or replace the reasoning at issue.

Use the label only when...

Use this label only when repetition is treated as if it adds evidence, wearing down doubt or making a claim seem true through familiarity. If the real problem is that a claim is treated as true or weighty mainly because the person promoting it has impressive accomplishments in some other domain, the better label is Appeal to accomplishment.

Often confused with

These near neighbors are easy to mix up, so use the comparison to see the exact difference.

Comparison

Appeal to accomplishment

Why people mix them up: Both often look like tactical mistakes at first glance.

Exact difference: Argument from repetition happens when repetition is treated as if it adds evidence, wearing down doubt or making a claim seem true through familiarity. Appeal to accomplishment happens when a claim is treated as true or weighty mainly because the person promoting it has impressive accomplishments in some other domain.

Quick split: Is the argument still addressing the original issue, or has the conversation been steered away? Then compare it with Is the argument still addressing the original issue, or has the conversation been steered away?

Comparison

Appeal to emotion

Why people mix them up: Both often look like tactical mistakes at first glance.

Exact difference: Argument from repetition happens when repetition is treated as if it adds evidence, wearing down doubt or making a claim seem true through familiarity. Appeal to emotion happens when a conclusion is pushed mainly by triggering fear, pity, outrage, pride, or hope rather than by showing that the conclusion follows from the evidence.

Quick split: Is the argument still addressing the original issue, or has the conversation been steered away? Then compare it with Is the argument still addressing the original issue, or has the conversation been steered away?

Practice And Repair

Extra teaching tools that show why the fallacy is persuasive, what to look for, and how to correct it.

Why it matters

Why this mistake matters

Argument from repetition threatens rationality because repetition is treated as if it adds evidence, wearing down doubt or making a claim seem true through familiarity.

Main reasoning problem

Repetition is treated as if it adds evidence, wearing down doubt or making a claim seem true through familiarity.

Why this kind of mistake matters

It moves attention away from the claim's evidential status and toward a pressure tactic, distraction, or rhetorical maneuver.

Check yourself

The assessment area now uses mixed 10-question sets, so the fallacy is not announced in the title before the quiz begins.

What the assessment does

You will work through a mixed set of fallacy-identification questions. Focused links from a fallacy page will quietly include this fallacy among nearby look-alikes without announcing the answer in the page title.

Questions to ask

Use these category-based prompts to audit similar arguments.

Prompt 1

Is the argument still addressing the original issue, or has the conversation been steered away?

Case studies

Each case study explains why the example fits the fallacy and links back to its source whenever source information is available.

Noncitizen voting, already illegal in federal elections, becomes a centerpiece of 2024 GOP messaging

AP's May 18, 2024 overview of noncitizen-voting rhetoric documented how a politically useful intuition about election fraud kept being treated as if it were established by the evidence. The report is especially useful for seeing how tiny counts, suggestive language, and moral urgency can be stretched into system-wide claims. The fallacy here is Argument from repetition: repetition is treated as if it adds evidence, wearing down doubt or making a claim seem true through familiarity. That matters here because a claim does not become better supported because it is repeated by the same speaker, echoed by many speakers, or circulated for a long time. A better analysis would remember that repetition changes familiarity, not the underlying evidence.

Associated Press · 2024-05-18

Top Haitian official denounces false claim, repeated by Trump, that immigrants are eating pets

AP's September 26, 2024 report on Haiti's transitional council president condemning the Springfield pet-eating rumor shows how quickly a sensational falsehood can travel from fringe posts to a presidential debate to the United Nations. The case is vivid enough to illustrate both emotional manipulation and the costs of repeating an unverified claim because it 'sounds like what the other side would do.' The fallacy here is Argument from repetition: repetition is treated as if it adds evidence, wearing down doubt or making a claim seem true through familiarity. That matters here because a claim does not become better supported because it is repeated by the same speaker, echoed by many speakers, or circulated for a long time. A better analysis would remember that repetition changes familiarity, not the underlying evidence.

Associated Press · 2024-09-26

Authorities rebut claims that Haitian immigrants are eating cats, waterfowl in Ohio town

PolitiFact's September 9, 2024 Springfield fact check is a neat example of a rumor built out of anonymous posts, recycled images, and suggestive repetition rather than verifiable support. It shows how easily a story can feel established before it has actually been checked. The fallacy here is Argument from repetition: repetition is treated as if it adds evidence, wearing down doubt or making a claim seem true through familiarity. That matters here because a claim does not become better supported because it is repeated by the same speaker, echoed by many speakers, or circulated for a long time. A better analysis would remember that repetition changes familiarity, not the underlying evidence.

PolitiFact · 2024-09-09

Biden tells Trump to 'get a life, man' and stop storm misinformation

AP's October 10, 2024 report on hurricane-response misinformation is a clean example of how disaster politics invites fear-based claims that spread faster than verification. The article is especially useful for showing how emotionally convenient numbers and slogans can be detached from what agencies actually said. The fallacy here is Argument from repetition: repetition is treated as if it adds evidence, wearing down doubt or making a claim seem true through familiarity. That matters here because a claim does not become better supported because it is repeated by the same speaker, echoed by many speakers, or circulated for a long time. A better analysis would remember that repetition changes familiarity, not the underlying evidence.

Associated Press · 2024-10-10

The Springfield, Ohio pet-eating rumor in September 2024 moved from rumor to national talking point largely through repetition across social media, cable segments, and campaign rhetoric even though local officials said there was no credible evidence. The fallacy here is Argument from repetition: repetition is treated as if it adds evidence, wearing down doubt or making a claim seem true through familiarity. That matters here because a claim does not become better supported because it is repeated by the same speaker, echoed by many speakers, or circulated for a long time. A better analysis would remember that repetition changes familiarity, not the underlying evidence.

Related fallacies

Nearby entries chosen by shared categories and family resemblance.