, in Algebra and Geometry, denotes the situation of lines, surfaces, &c. Wolfius delivers some things in geometry, which are not deduced from the common analysis, particularly matters depending on the Situs of lines and figures. Leibnitz has even founded a particular kind of analysis upon it, called Calculus Situs.
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Entry taken from A Mathematical and Philosophical Dictionary, by Charles Hutton, 1796.
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