Avoid Weak Reasoning
Weak reasoning often sounds persuasive because it skips a step the audience is expected to accept without noticing.
Look for missing links
Ask: what has to be true for this conclusion to follow?
Hidden assumptions are often the easiest place to rebut.
Watch for false choices
Many debates are not “either this policy or disaster.”
Ask whether a third option exists.
Separate correlation from causation
If two things move together, ask whether one really caused the other.
Look for alternative explanations.
Avoid exaggerated certainty
Arguments are often probabilistic, not guaranteed.
“Likely,” “more likely,” and “under these conditions” can be more accurate than “always.”
Example
“The city added bike lanes and traffic worsened, so bike lanes caused congestion.” Missing question: what else changed at the same time—construction, population, commuting patterns, road closures?
Common mistake
Naming a fallacy instead of explaining the actual break in the logic.
Try this
Take one argument and ask: “What must be true for this to work?” Then challenge that assumption.
Keep in mind
Good reasoning makes its hidden steps visible.
Practice this skill
Use it in a real debate and see how well it holds up when you have to respond to an opponent.