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How do you decide whether you ought to do something? Chances are you’ve employed statements about how things are or have been as the basis for making a judgment call. The 18th-century Scottish philosopher David Hume forcefully argued against this approach. According to ‘Hume’s law’, also known as the ‘is/ought problem’, determining what you ought to do based on what is represents a logical mistake because there’s a gap that reason cannot bridge between the facts of the world and the values you might espouse.
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Spirituality
Through rituals of prayer, a monk cultivates a quietly radical concept of freedom
4 minutes
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Art
Radical doodles – how ‘exquisite corpse’ games embodied the Surrealist movement
15 minutes
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Ethics
Plato saw little value in privacy. How do his ideas hold up in the information age?
5 minutes
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Animals and humans
Are zoos and natural history museums born of a desire to understand, or to control?
57 minutes
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Virtues and vices
Why Jean-Jacques Rousseau and Adam Smith were divided on the virtues of vanity
5 minutes
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Beauty and aesthetics
In art, the sublime is a feedback loop, evolving with whatever’s next to threaten us
9 minutes
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Bioethics
What a 1970 experiment reveals about the possibility and perils of ‘head transplants’
6 minutes
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Beauty and aesthetics
Can you see music in this painting? How synaesthesia fuelled Kandinsky’s art
10 minutes
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Knowledge
Why it takes more than a lifetime to truly understand a single meadow
11 minutes