Critical Thinking Exercises You Can Do Today

You don't need a philosophy degree to get better at critical thinking. You need practice. Here are five exercises you can do in the next half hour. Each one targets a different habit: seeing the other side, testing your own reasons, and spotting weak links in an argument.

1. Argue the other side

Pick something you believe—a policy, a moral claim, or "this product is overrated." Write three reasons someone who disagrees would give. Not straw-man reasons; the strongest version of the opposite view. You don't have to change your mind. The point is to make the other side vivid. If you can't state it fairly, you don't understand it yet.

2. Map one claim

Take a single claim you care about (from the news, a book, or a conversation). Write it at the top of a page. Under it, list the reasons you or someone else would give for it. Under each reason, ask: what would need to be true for this to hold? You're building a tiny argument map on paper. Where does the support run out? That's where you need more evidence or a different reason. If you like doing this on paper, try the Argument Cartographer—same idea, but you can add premises, link them, and run a logic linter on the result.

3. Question one assumption

Think of something you take for granted in your job, your politics, or your daily routine. Write it down. Then ask: what would have to be true for this to be right? What would count as evidence against it? You're not trying to debunk it. You're making the assumption visible so you can stress-test it. Philosophy does this all the time; learning paths and Socratic dialogues are built around it.

4. Spot the move in someone else's argument

Next time you read an op-ed, a thread, or a pitch, pause at one paragraph. Name the move: "This is a causal claim." "This is an appeal to authority." "This is defining the problem in a way that already assumes the solution." You're not scoring points; you're training yourself to see structure. Once you see the move, you can ask whether the support is there. Logical fallacies are just named moves that usually don't work.

5. Explain it in one sentence

Take a concept you use often—"justice," "bias," "evidence," "rational." Explain it in one clear sentence as if to someone who has never heard the word. If you can't, you're not alone; philosophy has spent centuries refining these. Doing it forces you to see where your understanding is fuzzy. Socratic dialogue is basically someone asking you to do this again and again until the fuzziness shrinks.

What you get on schrodingers.cat

• Learning paths that guide you through texts and prompt reflection.
• Socratic dialogues where a philosopher questions your assumptions until you reach clarity.
• Argument Cartographer to map arguments and catch circular reasoning and gaps.
• Forum to discuss and debate with others.

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Key takeaway: Critical thinking improves with practice. Five exercises you can do today: argue the other side, map one claim, question one assumption, name the move in someone else's argument, and explain one concept in one sentence. Then deepen the habit with learning paths, Socratic dialogue, and argument mapping.