| http://www.w3.org/ns/prov#value | - And art can go without science: to take an example from medicine, people have known for a very long time that eating citrus fruits prevents scurvy, though until the 20th century nobody knew that there was such a thing as vitamin C. What was once merely art (the practical but opaque rule that one should eat limes) has now been supported by the principles of science.
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