1. Methods of Tenacity: Superstition.
- Truth is true because one believes it even in front of contradicting evidence.
2. Method of Authority: Religion
-Truth is true because an authority says so.
3. Method of Intuition: Philosophy
-Truth is true because it is logical. It derives from reasoning but does not bear empirical support.
4. Method of Science
- Science is a method of seeking truth. This method only accounts for solvable problems that have empirical solutions based on observable events.