http://www.w3.org/ns/prov#value | - It should be obvious why they called it that, since the ch??-k?? is the primary dividing operation of the unit triangle and, in the case of an angle like 45??, would divide the triangle exactly in half.The term ch??-k?? is, in Japanese carpenter-speak, is a word to describe that particular division of the unit triangle, and it is length.
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