Definition:X-Y Plane
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Definition
The $x$-$y$ plane is the Cartesian plane embedded in Cartesian $3$-space which contains the $x$-axis and the $y$-axis.
It consists of all the points in $S$ such that $z = 0$.
Also see
Sources
- 1947: William H. McCrea: Analytical Geometry of Three Dimensions (2nd ed.) ... (previous) ... (next): Chapter $\text {I}$: Coordinate System: Directions: $2$. Cartesian Coordinates
- 1967: D.E. Bourne and P.C. Kendall: Vector Analysis ... (previous) ... (next): Chapter $1$: Rectangular Cartesian Coordinates and Rotation of Axes: $1.1$ Rectangular cartesian coordinates