. On the Theory of Consistence of Logical Class-Frequencies, and Its Geometrical Representation. Fig. Fig. Ih, ?w This and the similar following figures are drawn in orthographic projection. The picture-plane isparallel to the axis of z, and its trace on the plane of xy makes an angle of 30° with the x axis. Thegenerators lie in planes perpendicular to the picture-plane and the plane of xy, but make an angle of 45with the latter plane. The observer must therefore imagine himself to be looking down on the model. 110 ME. a. UDNY YULE ON THE THEORY OF CONSISTENCE model. The contours shown in
. On the Theory of Consistence of Logical Class-Frequencies, and Its Geometrical Representation. Fig. Fig. Ih, ?w This and the similar following figures are drawn in orthographic projection. The picture-plane isparallel to the axis of z, and its trace on the plane of xy makes an angle of 30° with the x axis. Thegenerators lie in planes perpendicular to the picture-plane and the plane of xy, but make an angle of 45with the latter plane. The observer must therefore imagine himself to be looking down on the model. 110 ME. a. UDNY YULE ON THE THEORY OF CONSISTENCE model. The contours shown in this figure and in the subsequent figs. 2h^ 4,h^ and 4c,do not at present concern bounding planes are X + 2/ + ^ ^ 0^5 (a) X ^ y J^ Z =-- ()5 (y) — X -{- y 4 -—^ 0^5 (S). If the ordinate z corresponding to given values of x and y be drawn, it will ingeneral cut the surface in two points. These determine the upper and lower limitsto values of z consistent with the given values of x and y. If however x and ydetermine a point on the plan of one of the edges of the tetrahedron, z only cutst
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Keywords: ., bookcentury1900, bookdecade1900, bookidphiltrans051, bookyear1901
