| http://www.w3.org/ns/prov#value | - he discipline of economics or the abolition of slavery or the pointed arch or an accurate calendar or the Dewey Decimal system or the periodic table of elements or votes for women or the heliocentric theory, or, for that matter, the toys of civilization such as the pipe-organ or notation to write down music or perspective in drawing or rigorous geometry established by axiom and proof, and so on an
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