By Tajammal MaqboolFounder & Developer
Develop a sharp eye for the most common reasoning errors hiding in everyday conversations, news headlines, and social media posts. You will practice distinguishing between arguments that merely sound convincing and those built on genuinely solid reasoning, building the foundational vocabulary needed to name and challenge flawed logic wherever you encounter it.
Logical fallacies are the workhorses of bad reasoning: the moves that make an argument feel convincing while its actual support is broken. Attacking the person instead of the claim, treating one story as universal proof, hiding better options behind a forced either/or. This exercise builds your core fallacy vocabulary, the handful of patterns behind most flawed arguments you'll meet, so you can name the exact defect instead of just sensing something's off.
Naming a reasoning error precisely is what turns a vague sense that something is off into an objection you can state. This exercise drills the handful of patterns behind most bad arguments, so recognition becomes fast enough to use mid-conversation rather than only on reflection afterwards.
A fallacy isn't just a wrong conclusion. It's a specific break in the link between the reasons and the conclusion. Two arguments can reach the same conclusion while one is sound and the other is broken, because what matters is whether the support actually bears on the claim. That's why a gut check isn't enough: fallacies feel persuasive precisely because they exploit shortcuts your mind likes to take.
A useful move while you work: before reading the options, name the flaw in your own words, then find the option that matches. If two seem to fit, ask which defect the conclusion actually rests on. For fuller treatment, see the Logical Fallacies: Formal & Relevance and Presumption & Ambiguity lessons.
Question 1
Your uncle posts on social media: "My financial advisor lost me money, but I turned $5,000 into $80,000 trading crypto on my own. Fire your advisor and manage your own money!" A friend asks you whether this is good advice. What is the most important flaw in your uncle's reasoning?
Question 2
During a city council meeting about building a new bike lane, a council member says: "We either build this bike lane and destroy parking for local businesses, or we keep things as they are and protect our economy." What is the best response to this framing?
Question 3
A headline reads: "Nobel Prize-winning physicist declares that genetically modified foods are perfectly safe." A commenter writes: "Well, that settles it, a Nobel laureate said so." What is the flaw in treating this as decisive evidence?
Question 4
A climate activist with a large social media following is criticized: "She lectures everyone about carbon footprints but flies private jets to her speaking engagements. Why should anyone listen to her?" Which response best addresses this reasoning?
Question 5
A health influencer posts a video titled "This supplement changed my life, and 2 million of you agree!" featuring glowing testimonials and a counter showing units sold. What is the strongest reason to be skeptical of this claim?
Question 6
In a courtroom, a defense attorney argues: "Ladies and gentlemen of the jury, my client is a single father raising three young children on his own. If you convict him, those children will have no parent at home. Can you really do that to innocent children?" What is the primary logical problem with this argument?
Where to go after this exercise.
