| http://www.w3.org/ns/prov#value | - A method as claimed in claim 2, wherein: the mathematical entities such as lines, surfaces or solids interconnecting the key bounding dots are made by using a mouse to move a cursor to a first key bounding dot, clicking the mouse to select that dot, moving the cursor to a second key bounding dot to be interconnected with the first key bounding dot, and clicking the mouse to select the second d
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