Philosophy › Section H · Value theory › Topic H.1
The fact-value distinction
"The river is polluted" and "the river ought to be cleaned" sound closely linked, yet many philosophers argue that no amount of the first kind of claim can, on its own, prove the second. Whether that gap is real shapes every debate about values.
In this topic
- Two kinds of claim
- Hume's observation
- Worked example: finding the bridge premise
- Moore's naturalistic fallacy
- The appeal to nature
- Objection: promising
- Objection: entangled concepts
- Objection: values inside science
- Worked example: sorting claims
- Common mistakes to avoid
- Key takeaways
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