Logical Fallacies Flashcards

(26 cards)

1
Q

Texas Sharpshooter

A

Cherry-picking similarities in data while ignoring differences to make a pattern appear meaningful

  • Only noting neighborhoods with high cancer rates near power lines and claiming power lines cause cancer, while ignoring areas without cancer clusters.
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2
Q

Strawman

A

Misrepresenting someone’s argument to make it easier to attack

  • “She wants better public transit.” → “She wants to ban all cars.”
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3
Q

No True Scotman

A

Dismissing counterexamples by redefining the group to exclude them

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4
Q

Gambler’s / Hot Hand

A

Believing random independent events are influenced by past outcomes (Gambler’s) or that a streak will continue (Hot Hand)

  • “He made 5 shots in a row, so he’ll make the next.”
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5
Q

Burden of Proof

A

Shifting responsibility to disprove a claim onto others rather than supporting one’s own claim

  • “Prove ghosts don’t exist.”
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6
Q

Loaded Question

A

Asking a question that presupposes a controversial assumption

  • “Have you stopped cheating?”
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7
Q

The Fallacy Fallacy

A

Assuming a claim is false simply because it contains a fallacy

  • “That argument has a fallacy, so the conclusion must be false.”
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8
Q

Appeal to Emotion

A

Manipulating emotions to win an argument rather than using relevant facts

  • “Vote for me or your family will suffer.”
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9
Q

Appeal to Authority

A

Arguing something must be true because an authority says so (without other evidence)

  • “The celebrity says this diet works, so it must.”
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10
Q

Begging the Question

A

Assuming the conclusion within the premises

  • “Wool sweaters are better because they’re superior.”
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11
Q

Ad Hominem

A

Attacking the person rather than their argument

  • “Don’t listen — he’s an idiot.”
  • “She’s wrong because she’s biased.”
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12
Q

False Cause

A

Assuming that because one event followed another, it caused it

  • “I sneezed and the power went out; my sneeze caused it.”
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13
Q

Slippery Slope

A

Arguing that one step will inevitably lead to extreme consequences without evidence

  • “If we allow x, soon freedom is gone.”
  • “Allow video games → society collapses.”
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14
Q

Bandwagon

A

Claiming something is true because many people believe it

  • “Everyone’s using this phone, so it’s the best.”
  • “Most people believe x, so x must be true.”
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15
Q

Tu Quoque

A

Avoiding criticism by pointing out hypocrisy in the critic

  • “You smoke, so your argument about health is invalid.”
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16
Q

Anecdotal

A

Using personal experience instead of sound evidence

  • “My friend never wore sunscreen and is fine, sunscreen is pointless.”
17
Q

Composition / Division

A

Assuming what’s true of a part (or whole) must be true of the whole (or parts)

  • “Each player is great → the team must be great.”
  • “The cake is heavy → each ingredient is heavy.”
18
Q

Appeal to Nature

A

Arguing that because something is natural, it’s good/valid

  • “Herbal medicine is good because it’s natural.”
  • “Organic is better because it’s natural.”
19
Q

Genetic

A

Judging an idea based on its origin rather than its merit

  • “Product x is bad because Company y made it.”
  • “He can’t be good because he comes from Nazareth”
20
Q

Special Pleading

A

Applying standards to others that are not applied to oneself without justification

  • “I know cheating on a test is wrong, but I had to do it because I didn’t have time to study.”
21
Q

Personal Incredulity

A

Rejecting a claim because one finds it hard to understand

  • “I don’t get quantum physics, so it’s nonsense.”
22
Q

Middle Ground

A

Assuming the compromise between two extremes must be true

  • “One says A, one says B → truth is between A & B.”
23
Q

Ambiguity

A

Using vague or double meanings to mislead

  • “Cutting taxes” without specifying which taxes.
24
Q

Black or White

A

Presenting only two options when more exist

  • “You’re either with us or against us.”
  • “Either we ban cars or pollution wins.”
25
Red Herring
Introducing irrelevant information to distract from the real issue * “Why care about climate change when there’s crime?”
26
Hasty Generalization
Making a broad claim based on a sample size that is too small or unrepresentative * My friend and I like hugs, so all friends like to hug