Seven Postulates
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5
If 2 points lie on a plane, then the entire line containing those points lies on that plane.
6
If two lines intersect, then their intersection is exactly one point.
7
If two planes intersect, then their intersections a line.
2
Through any 3 non-collinear points there is exactly one plane.
1
Through any two points there is exactly one line.
3
A line contains at least 2 points.
4
A plane contains at least 3 non-collinear points.