Common Quote by Bertrand Russell
“Inferences of Science and Common Sense differ from those of deductive logic and mathematics in a very important respect, namely, when the premises are true and the reasoning correct, the conclusion is only probable.”
About This Quote
Inductive reasoning yields probable conclusions, unlike deductive logic which guarantees certainty when premises are true.
In simple terms: Induction offers likelihood, deduction offers certainty.
Use both reasoning types appropriately.
Themes
Mood
Type
When to use this quote
- research design
- every‑making
- education
Key Concepts
Questions to Reflect On
- When should you trust an inductive claim?
- How do you test probabilistic conclusions?
Inductive conclusions can be wrong if premises are flawed.