Think Better · 45 sec
Formal fallacy
A compact thinking tool for spotting patterns and avoiding mistakes.
The useful idea
- The useful idea
In logic and philosophy, a formal fallacy is a pattern of reasoning with a flaw in its logical structure (the logical relationship between the premises and the conclusion).
- How it works
A formal fallacy is contrasted with an informal fallacy.
- Why it matters
A formal fallacy must have an invalid logical form and thus be unsound.
Why this matters
Use Formal fallacy as a quick check before trusting your first conclusion.
Try this
Use Formal fallacy as a quick check before trusting your first conclusion.
Test your recall
Which idea belongs to the explanation of Formal fallacy?
- The useful idea — correct
- How it works
- Why it matters
In logic and philosophy, a formal fallacy is a pattern of reasoning with a flaw in its logical structure (the logical relationship between the premises and the conclusion).